Factors & Multiples (5th grade review)

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.

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two factors.

Front

What is a prime number?

Back

A prime number is a whole number greater than 1 that has exactly two factors: 1 and itself.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it only has one factor.

Front

What are the first five multiples of 3?

Back

3, 6, 9, 12, 15.

Front

What is the least common multiple (LCM) of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

How do you find the multiples of a number?

Back

To find the multiples of a number, multiply that number by whole numbers (0, 1, 2, 3, ...).

Front

Which of the following is a multiple of 6: 18, 25, 30?

Back

18 and 30 are multiples of 6; 25 is not.