Factors

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

Is 5 a factor of 25?

Back

Yes, because 25 ÷ 5 = 5.

Front

Is 5 a factor of 45?

Back

Yes, because 45 ÷ 5 = 9.

Front

Is 4 a factor of 30?

Back

No, because 30 ÷ 4 = 7.5 (not a whole number).

Front

Is 6 a factor of 15?

Back

No, because 15 ÷ 6 = 2.5 (not a whole number).

Front

Is 7 a factor of 40?

Back

No, because 40 ÷ 7 = 5.714 (not a whole number).

Front

What are the factors of 30?

Back

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.

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 factors of a number?

Back

To find factors, divide the number by whole numbers starting from 1 up to that number and check for whole number results.

Front

Is 10 a factor of 100?

Back

Yes, because 100 ÷ 10 = 10.