Factors

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 10 are 1, 2, 5, and 10.

Front

List all the factors of 40.

Back

1, 2, 4, 5, 8, 10, 20, 40

Front

Which number has 2 as a factor?

Back

26 (because 2 x 13 = 26)

Front

Which number is a factor of 10?

Back

5 (because 2 x 5 = 10)

Front

Which number is a factor of 21?

Back

3 (because 3 x 7 = 21)

Front

What is the smallest factor of any number?

Back

1 (1 is a factor of every number)

Front

What is a prime factor?

Back

A prime factor is a factor that is a prime number, meaning it has only two factors: 1 and itself.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12

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. If the division results in a whole number, both the divisor and the quotient are factors.

Front

Is 15 a factor of 45?

Back

Yes, because 15 x 3 = 45.