Factors and Multiples

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 2 is a factor of 8 because 8 ÷ 2 = 4.

Front

What is a multiple?

Back

A multiple is 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 five multiples of 5.

Back

5, 10, 15, 20, 25.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

What is the least common multiple (LCM) of 4 and 6?

Back

The LCM of 4 and 6 is 12.

Front

Which number is a factor of 30?

Back

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

Front

Is 24 a multiple of 3?

Back

Yes, 24 is a multiple of 3 because 24 ÷ 3 = 8.

Front

What are the first five multiples of 8?

Back

8, 16, 24, 32, 40.

Front

If a number is a multiple of both 2 and 5, what could it be?

Back

It could be 10, 20, 30, etc.

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself. For example, 2, 3, 5, and 7 are prime numbers.