Prove that gcf(p,q) = gcf(p+q,lcm(p,q))?

Prove that gcf(p,q) = gcf(p+q,lcm(p,q))?

If 1 = sa + tb, where a, b, st ∈ Z, explain why gcd(a, b) = 1.

6 cellos, 12 violas, and 21 violins Mr. Jo wants them to sit in rows, and each section to have the same number of rows. What is the greatest number of rows the orchestra would have?

and the answer is out of these 2 3 9 6

ore than one answer to do with GCF and LCM

I need to figure out the following equations using the Greatest Common Factor and the Distributive Property. Then solve. 1: 40+16 2: 36+32 3: 12+16 4:...

product and greatest common factor

This is one of my questions on my homework that I just cannot figure out.

8x^7 w^8 y^5 and 28x^2 y^3

7x2+9x=0 whats the greatest common factor. And how do you solve it and is this a solution or not

I don't really have any.

greatest common factor

on my sheet it says what set of numbers form 8 as the greatest common factor

There are three monomials such that the greatest common factor of the first and second monomials is 2xy, and the greatest common factor of the second and third monomials is 2x2y. The greatest common...

there are 12 girls and 18 boys who want to participate in a Trivia Challenge. If each team must have the same number of girls and boys, what is the greatest number of teams that can enter? How...

I need to know about greatest common factoring so can someone help me ASAP Thanks !

what is the greatest common factor of the numbers 12 and 16

I need help understanding how to do this 12v^7y^8 and 18v^2x^6y^3

I am having difficulty on this problem factor out the GCF for 3x(7x + 1)- 2(7x + 1)

The greatest common factor of 18 and a mystery number is 6. Give three possible values for the mystery problem.