Factors

Front

What is a factor?

Back

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

Front

List all the factors of 15.

Back

1, 3, 5, 15

Front

What number is a factor of all even numbers?

Back

2

Front

Is 3 a factor of 21?

Back

Yes

Front

What are the factors of 28?

Back

1, 2, 4, 7, 14, 28

Front

List all the factors of 20.

Back

1, 2, 4, 5, 10, 20

Front

What is the smallest factor of any number?

Back

1

Front

How do you find the factors of a number?

Back

To find the factors of a number, divide it by whole numbers starting from 1 up to that number.

Front

Are prime numbers factors of themselves?

Back

Yes, prime numbers are factors of themselves.

Front

What is the greatest factor of any number?

Back

The greatest factor of any number is the number itself.