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greatest common divisor

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Baseball Cards 2017-04-20
From Raquel:
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?
Answered by Penny Nom.
The greatest common divider of n^2-3n-1 and 3 2014-03-09
From Rimoshika:
determine the greatest common divider (n^2-3n-1,3)
Answered by Penny Nom.
Students in rows 2007-05-17
From Ashi:
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.
Answered by Stephen La Rocque.
Greatest common divisor 2007-03-14
From Marie:
How do I prove this? Let h be the greatest common divisor of the positive integers a and b. Show that there exist integers p and q (not necessarily positive) such that pa + qb = h. Thanks
Answered by Penny Nom.
The greatest common factor 2006-10-17
From Myrna:
What is the greatest common factor of 49,164 and 80,860
Answered by Stephen La Rocque.
GCD 2006-03-20
From Jana:
How can i prove: if gcd(a,b)=1 then gcd(a+b,ab)=1
Answered by Penny Nom.
GCF, LCM, primes and the ladder method 2006-01-07
From Linda:
How would I teach both finding the GCF and LCM with prime factors...I recall the ladder method vaguely.???
Answered by Penny Nom.
GCD and LCM 2004-10-31
From Cartalina:
how do you calculate the "positive difference between the GCF and LCM of two numbers"?
Answered by Penny Nom.
GCD (a + b , a^2 - ab + b^2) 2004-08-27
From Carol:
Let a and b integer and relatively prime. Proof that:
GCD (a + b , a^2 - ab + b^2) = 1 or 3

Answered by Penny Nom.
Greatest Common Factor 2003-11-08
From Beth:
How do you use the Greatest Common Factor in addtion and subtraction of fraction?
Answered by Penny Nom.
Some 5th grade problems 2003-01-24
From Sabrina:

[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.]


Answered by Penny Nom.
Reduce 79,537/3,623,420 2001-12-13
From Eliana:
How do you reduce 79,537/3,623,420.
Answered by Claude Tardif.
GCD and LCM 2001-09-24
From David:
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


Answered by Penny Nom.
A pair of numbers whose GCF is 28 2000-12-27
From John:
Name 2 different pairs of numbers whose GCF is 28.
Answered by Penny Nom.
quel sont les plus grands diviseurs communs? 2005-09-07
From Sylvain:
quel sont les plus grands diviseurs communs?
Answered by Claude Tardif.
 
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