Factors and Multiples

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

What are multiples?

Back

Multiples are the result of multiplying a number by an integer. For example, the first five multiples of 3 are 3, 6, 9, 12, and 15.

Front

List the first 5 multiples of 8.

Back

8, 16, 24, 32, 40.

Front

Which number is a multiple of 5? 16, 29, 40, 32

Back

40.

Front

Which is a factor of 15? 2, 3, 4, 6

Back

3.

Front

List all the factors of 24.

Back

1, 2, 3, 4, 6, 8, 12, 24.

Front

Is 2 a factor of 15?

Back

No.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that can divide two or more numbers without leaving a remainder.

Front

What is the least common multiple (LCM)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you find the factors of a number?

Back

To find the factors of a number, divide it by integers starting from 1 up to that number and check which divisions result in whole numbers.