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	Arranging chairs in a row		2021-01-26
		aiyana pose la question : hi i need help with this a teacher wants to arrange 16 chairs in a equal rows in his class room Harley Weston lui répond.
	The divisors (aliquot parts) of a positive integer		2019-10-31
		Kenneth pose la question : Is there a fast and simple method that can be used to determine the aliquot parts, whole, positive numbers that can divide into another whole, positive number? Harley Weston lui répond.
	The largest integer k so that that 3335^k is a divisor of 3336!		2019-10-29
		Brandon pose la question : Hello my name is Brandon and I having difficulties in solving the following question: Given the number 3336! = 1.2.3.4........................3336 . What's the greater positive integer number k with the condition that 3335expk is a divisor of 3336! Thanks for your help. Penny Nom lui répond.
	Multiplies and factors		2018-02-24
		Lil pose la question : Is a multiple the same as a factor? Penny Nom lui répond.
	Two problems		2010-05-27
		debbie pose la question : Question from debbie, a parent: hi, i have a daughter and she asked me a maths question I cannot solve. I was just wondering if you can give me the answers plus the working out so I could explain to my daughter, 1. The leftmost digit of a six-digit number N is 1. If this digit is removed and then written as a rightmost digit, the number thus obtained is three times N .Find N. 2. Four friends are racing together down a flight of stairs. A goes 2 steps at a time, B 3 steps at a time. C 4 steps at a time and D 5 steps at a time. The only steps which all four tread on are the top one and the bottom one. How many stairs in the flight were stepped on exactly once? Penny Nom lui répond.
	Adding five positive integers that have a product of 48		2010-04-27
		Lorraine pose la question : What is the smallest possible sum that can be obtained by adding five positive integers that have a product of 48. Chris Fisher lui répond.
	Dividing seashells among girls		2010-01-06
		Eileen pose la question : A group of girls collected some seashells from the beach. They tried to divided these seashells equally among them. If each girl received 8 seashells, they would need 5 more seashells. If each girl received 7 seashells, they would have 3 seashells extra. How many seashells did they collect from the beach altogether? Robert Dawson and Penny Nom lui répond.
	Dividing a number which is greater than 1 by a number that is less than 1		2010-01-05
		Neda pose la question : when dividing a number which is greater than 1 by a number that is less than 1, will the quotient be greater than or less than the dividend? Explain. Robert Dawson and Penny Nom lui répond.
	How many students were there		2009-01-25
		sooos pose la question : After a math lecture in university, the students go to the cafeteria. EACH ONE of them buys a cheese sandwich and a cup of tea. They ALL pay $18.49. How many students were they? Chris Fisher lui répond.
	The factors of an integer		2009-01-06
		Madison pose la question : what are the factors of 878 Robert Dawson lui répond.
	Do all square numbers have an odd number or factors?		2008-12-11
		Amy pose la question : Do all square numbers have an odd number or factors? Victoria West lui répond.
	A remainder of 8		2008-10-23
		Kathy pose la question : When dividing a 3 digit number by a 1 digit number, for what divisors can you get a remainder of 8? is the question in my son's math book. After searching this web site, how do you explain an answer so that a ten year old can understand? I somewhat understand the answers given, but am afraid my son might not understand the answer? Help??? Penny Nom lui répond.
	Number of factors		2008-09-18
		Austin pose la question : I am stuck on finding what type of number has exactly two factors and what type of number has an odd number of factors? I need some examples. Penny Nom lui répond.
	Number of factors		2008-07-20
		pete pose la question : how do you find the number of factors in a really big number without using a factoring program or listing the out? Penny Nom lui répond.
	How many positive integer factors of 2^2*3^2*5 are multiples of 12?		2008-06-27
		Peter pose la question : How many positive integer factors of 2^2*3^2*5 are multiples of 12 Janice Cotcher lui répond.
	Find the smallest number that leaves a remainder of 10 when divided into 90.		2008-06-24
		Peter pose la question : Find the smallest number that leaves a remainder of 10 when divided into 90. Janice Cotcher lui répond.
	What number has exactly 51 divisors?		2008-02-26
		Lisa pose la question : What number has a Tau which equals 51? In other words, what number has exactly 51 divisors? It must be a square of some kind! Penny Nom, Victoria West and Harley Weston lui répond.
	Positive divisors		2007-11-26
		joan pose la question : How many positive divisors of ((2^20)*(5^20))^2 are less than (2^20)*(5^20) but do not divide (2^20)*(5^20)? Victoria West lui répond.
	What are the factors of 111?		2007-09-13
		Miska pose la question : What are the factors of 111? Penny Nom lui répond.
	How many stairs in the flight are stepped on exactly once?		2007-09-03
		Bill pose la question : Four friends are racing together down a long flight of stairs. A goes 2 steps at a time, B 3 at a time, C 4 at atime and D 5 and at a time. The only steps on which all four tread are the top one and the bottom one. How many stairs in the flight are stepped on exactly once. Harley Weston lui répond.
	An odd number with 12 factors		2007-06-27
		Wilson pose la question : Do you know of any odd number that has 12 factors? Reply back today. Because I have hand in a project tomorrow. Stephen La Rocque and Harley Weston lui répond.
	Find the divisors		2006-08-21
		Minh pose la question : Using combination or permutation or both, find the a. Divisors b.even divisors of 2160 Stephen La Rocque and Penny Nom lui répond.
	When 391758 and 394915 are divided by a certain three digit number, ...		2006-07-26
		Nick pose la question : When 391758 and 394915 are divided by a certain three digit number, the three digit reminder is the same in each case. Find the divisor. Chris Fisher and Steve La Rocque lui répond.
	x^2+2x-3 is a factor f(x)=x^4+2x^3-7x^2+ax+b		2006-04-06
		Maha pose la question : Given that x2+2x-3 is a factor f(x)=x4+2x3-7x2+ax+b, find a and b and hence factor f(x) completely. Penny Nom lui répond.
	given that p is a prime and p|a^n, prove that p^n|a^n		2006-03-24
		Janna pose la question : given that p is a prime and p|an, prove that pn|an Stephen La Rocque lui répond.
	How many divisors does the number 138600 have?		2006-02-08
		Joe pose la question : How many divisors does the number 138600 have? Steve La Rocque and Penny Nom lui répond.
	For what divisors can you get a remainder of 8?		2006-01-06
		Thelma pose la question : When dividing a 3 digit number by a 1 digit number, for what divisors can you get a remainder of 8? Penny Nom lui répond.
	Numbers with exactly 5 divisors		2005-11-23
		Mary Lou pose la question : Show the 10 numbers with exactly 5 divisors. Penny Nom lui répond.
	n^2+n-1 has no divisors ending with 3 or 7		2005-09-08
		Arne pose la question : at least it seems like for any integers n and k, 10k+3 and 10k+7 do not divide n²+n-1 I tested this for every n from 0 to 3200 (which means same for the numbers from -3201 to -1) could this be true, or is it just coincidence, or am I just totally wrong? Richard McIntosh lui répond.
	Some numbers less than 100		2004-09-17
		Paul pose la question : for how many numbers less than 100 is the digit in the ones place half the digit in the tens place? Penny Nom lui répond.
	Crossword math puzzle		2004-09-14
		Joyce and Tiffany pose la question : The puzzle name was real number vocabulary and the question is (a number that divides evenly into another what is it?). (Space in between tic-marks on a number line). Harley Weston lui répond.
	an integer with three factors		2004-08-03
		A student pose la question : What is the probability that a randomly chosen 3 digit number has exactly 3 factors Penny Nom lui répond.
	Divisors of 2n+1 and 3n+9		2004-06-02
		Chris pose la question : Amy selected a positive integer N and wrote numbers 2xN+1 and 3xN+9 on a whiteboard. Boris looked at the two numbers on the whiteboard and wrote in his notebook a positive integer that divides each of them. Find all possible numbers that Boris could have written in his notebook. Chris Fisher and Penny Nom lui répond.
	What is a number that has exactly 13 factors?		2003-11-09
		Mary pose la question : What is a number that has exactly 13 factors? Penny Nom lui répond.
	Which one has the most factors?		2003-10-31
		Kristi pose la question : Of all the whole numbers less than or equal to 5000, which one has the most factors? Claude Tardif lui répond.
	1/x + 1/y = 5/12		2003-10-30
		Ben pose la question : 1/x +1/y =5/12, what is the sum of x and y? Penny Nom lui répond.
	Relatively prime		2003-09-27
		James pose la question : what is the definition a relative prime numbers? Penny Nom lui répond.
	Division names		2003-03-10
		A parent pose la question : what is the answer to a division problem called Penny Nom lui répond.
	(n+17)(n+7) = 0		2003-03-05
		Janea pose la question : What is the answer to 1. (n+17)(n+7)=0 What is the answer to:2. (y-15)(y-100)=0 Penny Nom lui répond.
	Multiples of all four of the numbers 2, 3, 4, and 5		2003-02-11
		Stephanie pose la question : How many of the first 1000 positive integers are multiples of all four of the numbers 2, 3, 4, and 5? Penny Nom lui répond.
	Composites, primes, factors and common factors		2002-11-20
		Connie pose la question : My son can't remember what a composite number is, what a prime number is and the explaination of factors and common factors. Help! Penny Nom lui répond.
	Find the two numbers		2001-02-21
		A grade 6 student pose la question : Find the two numbers: 5 is a common factor; 100 is a common multiple; neither number is a mulitple of the other; both are even. Penny Nom lui répond.
	What number from 1 to 25 has the most factors?		2001-01-23
		John pose la question : What number from 1 to 25 has the most factors? Penny Nom lui répond.
	A pair of numbers whose GCF is 28		2000-12-27
		John pose la question : Name 2 different pairs of numbers whose GCF is 28. Penny Nom lui répond.
	Dividing with decimals		2000-11-15
		Alex pose la question : I teach math and my class and I were discussing the dividing of decimals. I explained that if there is a decimal in the divisor, it needs to be moved and so does the decimal in the dividend. My question is why is it necessary to move the decimal point in the divisor before dividing? Penny Nom lui répond.
	Divisors of 2000		2000-06-06
		Amanda Semi pose la question : find the product of all the divisors of 2000 dog trainer time has 100m of fencing to enclose a rectangular exercise yard. One side of the yard can include all or part of one side of his building. iff the side of his building is 30 m, determine the maximum area he can enclose Claude Tardif lui répond.
	Factors		2000-01-27
		Pam pose la question : My son [age 9, 4th grade] has a math problem with factors. I need to know how to do the problem that involves the factor 24. I'm not even sure where to start. Harley Weston lui répond.
	Two algebra problems		1999-12-17
		Michael Standfest pose la question : If x+4 is a factor of 2x4+kx3-3kx2+6x-40, find k and Prove that n2-n is even for all n, using the proof of contradiction Penny Nom lui répond.
	An odd number of factors		1999-10-22
		Melissa pose la question : What is the common name used for numbers that have an odd number of factors? What is the least positive integer that has exactly 13 factors? Penny Nom lui répond.
	T-shirts		1999-04-04
		Valerie pose la question : At a discount T-shirt shop the manager marked a special batch of T-shirts that originally sold for $2.00. When all the shirts sold the shop had collected $603.77. How many shirts did they sell and what was the price per shirt? Jack LeSage and Penny Nom lui répond.
	Pick any odd number, square it, and then divide it by 8		1998-11-27
		Brenda Meagher pose la question : Pick any odd number, square it, and then divide it by 8. No matter what odd number is chosen and squared and divided by 8, the remainder is one. Could you please explain this to me or is there a pattern that I am not aware Harley Weston lui répond.
	Composite Numbers		1998-10-07
		Greg Murphy pose la question : What type of composite number has an odd number of factors? Harley Weston lui répond.
	Students and Lockers		1998-10-02
		Mike pose la question : There is a row of 1000 lockers. There is a line of 1000 students. Student number 1 starts at the first locker and opens all 1000. Student number 2 starts at the second locker and closes every other one. Student number 3 starts at the third locker and goes to every third one, closing the open ones and opening the closed ones. Student number 4 does the same with every fourth locker and so on down the line... After all 1000 students have gone how many lockers are open and which ones are they? Please help! There is proboly a simple solution but we couldnt figure it out for the life of us. Please let us know how you solve it. Patrick Maidorn and Penny Nom lui répond.
	Five Factors		1998-09-19
		Derek Yau pose la question : To whom it may concern, I have difficulty in getting the solution to the following question: Find 5 numbers that have exactly 5 factors. I got 16, 81 but couldn't find the rest. I believe that in order to have 5 factors, it has to be a square number. Isn't it true? I guess there may be a pattern to this. Thanks for your help. Derek Yau. Penny Nom lui répond.
	A divisor.		1998-09-05
		Kim Tangney pose la question : When 391 758 and 394 915 are divided by a certain three digit numbers, the three digit remainder is the same in each case. Find the divisor. Penny Nom lui répond.
	Divisors of 6n		1998-01-26
		James pose la question : If n is a positive integer such that 2n has 28 positive divisors and 3n has 30 positive divisors, then how many positive divisors does 6n have? (a) 32 (b) 34 (c) 35 (d) 36 (e) 38 Penny Nom and Haragauri Gupta lui répond.
	Number of factors		1996-01-30
		Chrissy pose la question : What number has exactly 13 positive factors? Penny Nom lui répond.

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