Factors

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

List the factors of 15.

Back

The factors of 15 are 1, 3, 5, and 15.

Front

Which number is a factor of 15? 3, 12, 7, 8

Back

3 is a factor of 15.

Front

Which number is NOT a factor of 63? 8, 21, 3, 7

Back

8 is NOT a factor of 63.

Front

List the factors of 42.

Back

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

Front

Which number is NOT a factor of 42? 9, 3, 7, 6

Back

9 is NOT a factor of 42.

Front

Which number IS a factor of 56? 28, 21, 24, 26

Back

28 is a factor of 56.

Front

List the factors of 45.

Back

The factors of 45 are 1, 3, 5, 9, 15, and 45.

Front

Which number is NOT a factor of 45? 12, 5, 9, 15

Back

12 is NOT a factor of 45.

Front

What is the greatest factor of a number?

Back

The greatest factor of a number is the number itself.