Factors, Multiples, Prime and Composite

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number. For example, 2 is a factor of 6 because 6 ÷ 2 = 3.

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

What is a prime number?

Back

A prime number is a whole number greater than 1 that has no positive divisors other than 1 and itself. For example, 5 is a prime number.

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two factors. For example, 4 is a composite number because it has factors 1, 2, and 4.

Front

List the first 5 multiples of 5.

Back

5, 10, 15, 20, 25.

Front

Which number is a multiple of both 2 and 3?

Back

6 is a multiple of both 2 and 3 because 2 x 3 = 6.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What are the factors of 12?

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

Is 15 a prime number or a composite number?

Back

15 is a composite number because it has factors 1, 3, 5, and 15.

Front

What is the greatest common factor (GCF) of 8 and 12?

Back

The GCF of 8 and 12 is 4.