Factors

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

List the factors of 72.

Back

The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.

Front

Which number is NOT a factor of 72?

Back

5 is not a factor of 72.

Front

List the factors of 21.

Back

The factors of 21 are 1, 3, 7, and 21.

Front

Which number IS a factor of 21?

Back

3 is a factor of 21.

Front

List the factors of 63.

Back

The factors of 63 are 1, 3, 7, 9, 21, and 63.

Front

Which number is NOT a factor of 63?

Back

8 is not a factor of 63.

Front

List the factors of 56.

Back

The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.

Front

Which number IS a factor of 56?

Back

28 is a factor of 56.

Front

List the factors of 42.

Back

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.