.
. centre de ressources dilemmes et doutes le visage humain de mathématiques Qui sommes-nous Problème de mois activités de promotion babillard
Centrale des maths - centraledesmaths.uregina.ca
Dilemmes & doutes
« D & D »
. .
topic card  

Sujet:

divisible

liste de
sujets
. .
nouvelle recherche

15 articles trouvés pour ce sujet.
 
Page
1/1
Divisibility of 3n^5+7n 2016-12-14
Parag pose la question :

Question from Parag, a student:

if n is a natural number,then 3n^5+7n is divisible by
a)2
b)3
c)5
d)7

i got the answer but still i need a valid alternate approach.


Penny Nom lui répond.
4821x14y is an 8-digit number divisible by 72 2014-08-06
RAYA pose la question :
if 4821x14y is an 8-digit number divisible by 72. How many values can x and y take?
Penny Nom lui répond.
The square of any odd number, decreased by 1, is divisible by 8 2012-11-16
bailey pose la question :
Prove that the square of any odd number, decreased by 1, is divisible by 8
Penny Nom lui répond.
The difference of the two numbers 2010-02-15
Steve pose la question :
The difference of the two numbers 'abcdef ' and ' fdebca ' is divisible by 271. prove that b = d and c = e.
Claude Tardif lui répond.
How many combinations of 8614 are divisible by 7? 2008-01-22
Rebecca pose la question :
How many combinations of 8614 are divisible by 7 equally (with no remainder)?
Penny Nom lui répond.
Induction - divisibility 2007-08-04
Jerry pose la question :
How would you prove that for any positive integer n, the value of the expression 3^(2n+2) - 8n -9 is divisible by 64.
Chris Fisher and Penny Nom lui répond.
Divisibility 2007-05-18
Ashish pose la question :
A number is divisible by 2^n if the last n digits of the number are divisible by 2^n. Why?
Penny Nom and Claude Tardif lui répond.
Divisibility by each of the first ten counting numbers 2005-10-17
Simon pose la question :
determine smallest positive integer that is divisible by each of the first ten counting numbers
Penny Nom lui répond.
A 3 digit number divisible by 7 2004-05-03
A student pose la question :
We need to arrange 1,3 and 6 to form a 3 digit number that is divisible by 7.
Penny Nom lui répond.
Divisibility by 2 or 5 or both 2003-10-30
Abdu pose la question :
How many positive integers less than 1,001 are divisible by either 2 or 5 or both?
Penny Nom lui répond.
Three consecutive positive intergers 2003-02-09
Yew pose la question :
Prove that when we multiply any consecutive positive intergers, the result is always divisible by 6.

ex. (7)(8)(9) = 504 = 6 (84)

Penny Nom lui répond.
Divisibility of 5 2002 2002-08-25
Simon pose la question :
I need to ask you a question if 5 2002 and 3 2002 are divisible by 26.
Penny Nom lui répond.
Divisibility by 9 2000-10-24
Kelera pose la question :
If the sum of the digits of a number is divisible by 9, then the number itself it divisible by 9. Why is that? How do you explain this?
Penny Nom lui répond.
111...1222...2 1999-08-11
Brad Goorman pose la question :
Let N = 111...1222...2, where there are 1999 digits of 1 followed by 1999 digits of 2.
Express N as the product of four integers, each of them greater than 1.

Penny Nom lui répond.
Divisibility of 2n choose n. 1996-09-24
Kathy Doan pose la question :
Can you prove that "2n choose n" is not divisible by 3, 5, and 7 for infinitely many n?
Penny Nom lui répond.
 
Page
1/1

 

 


Centrale des maths reçoit une aide financière de l’Université de Regina et de The Pacific Institute for the Mathematical Sciences.

CMS
.

 

accueil centre de ressources accueil Société mathématique du Canada l'Université de Regina PIMS