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# Greatest Common Factor and Least Common Multiple problems

## Greatest Common Factor and Least Common Multiple example question

GCF(A, B) = 21

LCM(A, B) = 6(5)(72)

B = 3(72)

Find the value of A.

Solution to this Algebra GCF LCM practice problem is given in the video below!

## Least Common Multiple example word problem

What is the least number of cards that could satisfy the following three conditions?

Condition 1: If all the cards are put in 2 equal piles, there is 1 card left over

Condition 2: If all the cards are put in 3 equal piles, there is 1 card left over

Condition 3: If all the cards are put in 5 equal piles, there is 1 card left over

Solution to this Algebra Least Common Multiple practice problem is given in the video below!

1. Gal says:

Was looking everywhere for this, thank you so so much

2. mitchel says:

Cool problems, thanks for the add!

3. Sonya says:

Thanks very nice blog!