GCF & LCM

Front

What is the definition of a factor?

Back

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

Front

What is the definition of a multiple?

Back

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

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

What is the LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of all of them.

Front

List the factors of 10.

Back

1, 2, 5, 10

Front

List the multiples of 3 up to 30.

Back

3, 6, 9, 12, 15, 18, 21, 24, 27, 30

Front

What is the GCF of 8 and 12?

Back

4

Front

What is the LCM of 4 and 5?

Back

20

Front

Is 15 a multiple of 5?

Back

Yes, because 15 can be divided by 5 without a remainder.

Front

Is 18 a factor of 54?

Back

Yes, because 54 divided by 18 equals 3.