Multiples and Factors

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by whole numbers. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

List the first 4 multiples of 5.

Back

5, 10, 15, 20

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

Which of the following is a factor of 12? 2, 5, 7, 9

Back

2

Front

What is a prime number?

Back

A prime number is a number that has exactly two distinct positive factors: 1 and itself.

Front

Is 1 a prime number?

Back

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

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What are the factors of 15?

Back

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

Front

Which number is NOT a factor of 10? 2, 3, 5, 10

Back

3

Front

What is the greatest common factor (GCF) of 8 and 12?

Back

The GCF of 8 and 12 is 4.