







Mathilde aime la musique et les mathématique. 
20100419 

Lucas pose la question : j'ai un problème pouvait vous m'aider a le résoudre:Mathilde aime la musique et les mathématique.Quand on lui demande combien de CD elle a elle répond "Je ne les ai pas comptés.quand je les groupe 5 par 5 ,il ne m'en reste pas.quand je les groupe 2 par2,il m'en reste 1.quand je les range 6 par 6,il m'en reste 5.je suis surque j'en moins que cinquante."
Peuxtu trouver le nombre de CD de Mathilde?
aider moi svp
ps:je suis en 6ème donc faut pas que se soit trop compliqué Claude Tardif lui répond. 





quel sont les plus grands diviseurs communs? 
20050907 

Sylvain pose la question : quel sont les plus grands diviseurs communs? Claude Tardif lui répond. 





GCD 
20171125 

A student pose la question : Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1. Penny Nom lui répond. 





Abstract algebra 
20171125 

A student pose la question : Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1. Penny Nom lui répond. 





Baseball Cards 
20170420 

Raquel pose la question : A minor league baseball team gave away baseball cards to each person entering the stadium. One group receives 28 baseball cards. A second group received 68 baseball card. If each person entering the stadium receive the same number of cards, what was the greatest possible number of baseball cards that each person could have received? Penny Nom lui répond. 





The greatest common divider of n^23n1 and 3 
20140309 

Rimoshika pose la question : determine the greatest common divider (n^23n1,3) Penny Nom lui répond. 





GCD 
20130520 

Julia pose la question : Prove that if a and b are coprime integers, the greatest common divisor of a + b and a  b is either 1 or 2. Penny Nom lui répond. 





HCF and LCM 
20130515 

Kelly pose la question : If HCF and LCM of two numbers is 7 and 20 respectively, then the number/s is/are…. Penny Nom lui répond. 





x/200+x/400+x/600+x/800 
20101008 

Ashishthombre pose la question : step by step LCM of x/200+x/400+x/600+x/800 Penny Nom lui répond. 





Least common denominator 
20100213 

Priscila pose la question : 3/8 + 4/5 + 7/3 + 9/10 = ?
Thank you for your assistance.
Priscila Penny Nom lui répond. 





GCD (a + b, a  b). 
20090401 

Tomas pose la question : Let a and b integer and relatively prime. Prove that:
GCD (a + b , a  b) = 1 or 2 Stephen La Rocque lui répond. 





The product of two integers their LCM and their HCF 
20090215 

Anonymous pose la question : Two numbers have LCM = 60. If their product is 180, what is their HCF? Harley Weston lui répond. 





LCM and GCD 
20080522 

kasirao pose la question : Please help me in knowing the proof for the equality,
"The product of two natural numbers is equal to their LCM and GCD" Penny Nom lui répond. 





GCF and LCD 
20080117 

Peter pose la question : I need to know the differences between GCF and LCD. Penny Nom lui répond. 





The realtionship between lcm and gcd 
20071027 

Brenda pose la question : why does multiplying lcm of (n,s) by gcd (n,s) give n times s. when (n,s) are any two numbers? Penny Nom lui répond. 





Students in rows 
20070517 

Ashi pose la question : the student of three classescan be made to stand into rows having same number of students. there are 24,36 and 60 students in the classes. how many maximum number of student will stand in each row. Stephen La Rocque lui répond. 





LCD 
20070429 

Jackson pose la question : I am having trouble getting the LCD for the following question.
1 3/8 x 8/9= Penny Nom and Melanie Tyrer lui répond. 





LCM and HCF 
20061028 

Henry pose la question : Is there a unique solution to the question: If the LCM and HCF of two numbers are 180 and 15 respectively, what are the two numbers? I got 45 and 60. I got a feeling there are others. Stephen La Rocque lui répond. 





The greatest common factor 
20061017 

Myrna pose la question : What is the greatest common factor of 49,164 and 80,860 Stephen La Rocque lui répond. 





Least common denominator 
20061004 

Paulette pose la question : Why is the LCD of 3/4 and 4/8 not the product of 4 and 8? Penny Nom lui répond. 





HCF and LCM 
20060805 

Bharath pose la question : The HCF and LCM of polynomials p(x) and q(x) are h and l respectively and p(x) + q(x) = h + l, show that
[p(x)]^{2} + [q(x)]^{2} = h^{2} + l^{2} Stephen La Rocque lui répond. 





GCD 
20060320 

Jana pose la question : How can i prove:
if gcd(a,b)=1 then gcd(a+b,ab)=1 Penny Nom lui répond. 





GCD and LCM 
20041031 

Cartalina pose la question : how do you calculate the "positive difference between the GCF and LCM of two numbers"? Penny Nom lui répond. 





GCD (a + b , a^2  ab + b^2) 
20040827 

Carol pose la question : Let a and b integer and relatively prime. Proof that:
GCD (a + b , a^2  ab + b^2) = 1 or 3 Penny Nom lui répond. 





Greatest Common Factor 
20031108 

Beth pose la question : How do you use the Greatest Common Factor in addtion and subtraction of fraction? Penny Nom lui répond. 





The HCF and LCM of polynomials 
20030520 

Charanpal pose la question :
Question: Find the HCF and LCM of the polynomials given below. Verify that he productof these HCF and LCM differs from the product of the polynomials, if at all, by a factor of 1  1x^{2} and x^{3} 1
 1  x^{2} and x^{4}  1
Penny Nom lui répond. 





Some 5th grade problems 
20030124 

Sabrina pose la question :
[What is the greatest common factor of 20,28, and 36?] next problem is [5k+7(k+8)= ] next problem [Curtis simplified 0.8 divided by 0.2 x 0.04 and got 10. Latoya Simplified and got 1.6. is either correct? Can you explaine how you got the answer please.] Penny Nom lui répond. 





The least common denominator 
20030121 

Brittan pose la question : Hi there I need help! My name is Brittany and i am in the 6th grade. I need help finding the least common denominator(LCD), and the book says Find the LCM of the denominators and i've done that and then it says write equivalent fractions,using the LCM as the least commonn denominator.The directions say Use the LCD to write each pair as like fractions. and the problem is 1/8 and 5/40. Could u explain how in the word u do this? Thanks a lot Brittany Penny Nom lui répond. 





Reduce 79,537/3,623,420 
20011213 

Eliana pose la question : How do you reduce 79,537/3,623,420. Claude Tardif lui répond. 





Counting CD's 
20011106 

Jason pose la question : An older brother said to his younger brother, "Give me 8 of your CDs, then I will have twice as many as you." The younger brother replied, "No, you give me 8 of yours instead, and then we'll have an equal number." How many CDs does each boy have? Chris Fisher lui répond. 





GCD and LCM 
20010924 

David pose la question : Find the GCD adn LCM of the following numbers. Assume p 2 to the power p, 3 to power q, 5 to power r and 2 to power q, 3 to power r, 7 to power p Penny Nom lui répond. 





Greatest Common Factor 
20010509 

Nicole pose la question : What is the Greatest Common Facter for:
126,261 1008,1080 546,1995 128,256 and 255,256 Penny Nom lui répond. 





Greatest common factor 
20010117 

A teacher pose la question : I'm a teacher at a local Middle School and I would like the answers for the following questions. What is the greatest common factor for.. 546 and 780 156 and 732 . . . Leeanne Boehm and Penny Nom lui répond. 





A pair of numbers whose GCF is 28 
20001227 

John pose la question : Name 2 different pairs of numbers whose GCF is 28. Penny Nom lui répond. 





Tapes and CD's 
20001022 

Arnold pose la question : Nicole has 25 CDs and tapes altogether. When she tries to pair them up, she has 4 CDs left over. How many tapes does Nicole have? Penny Nom lui répond. 





Greatest Common Factor. 
19980109 

Percy Stribling pose la question : how do you figure out what the greater common factor is? Penny Nom lui répond. 

