GCF and LCM Review

Front

What is the definition of LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the definition of GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

Front

Find the LCM of 18 and 24.

Back

72

Front

You have 18 red legos and 24 green legos. What is the greatest number of groups you can make with the same number of red and green legos in each group?

Back

6 groups.

Front

How many red and green legos will be in each group if you make 6 groups from 18 red and 24 green legos?

Back

3 red and 4 green.

Front

Is this question asking to find GCF or LCM? Find the LCM of 12 and 30.

Back

LCM.

Front

Find the GCF of 12 and 30.

Back

6

Front

Which is NOT a factor of 9? 0, 1, 3, 9.

Back

0.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.