Factors and Multiples

Front

What is a prime number?

Back

A prime number is a number that can only be divided by 1 and itself.

Front

Which of the following is a prime number: 35, 60, 24, 13?

Back

13 is a prime number.

Front

Define factor.

Back

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

Front

What are the factors of 10?

Back

The factors of 10 are 1, 2, 5, and 10.

Front

What are the factors of 24?

Back

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

Front

What is a multiple?

Back

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

Front

List the first five multiples of 3.

Back

The first five multiples of 3 are 3, 6, 9, 12, and 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 factors of a number?

Back

To find the factors of a number, list all the numbers that divide it evenly.