Factors and Multiples Review

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

What are multiples?

Back

Multiples are the result of multiplying a number by an integer. For example, the first five multiples of 5 are 5, 10, 15, 20, and 25.

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.

Front

What is a composite number?

Back

A composite number is a number that has more than two positive divisors. For example, 4, 6, 8, and 9 are composite numbers.

Front

List the first 5 multiples of 6.

Back

6, 12, 18, 24, 30.

Front

Is 33 prime or composite?

Back

Composite.

Front

Is 19 prime or composite?

Back

Prime.

Front

What are the factors of 8?

Back

1, 2, 4, and 8.

Front

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

Back

The LCM of 4 and 6 is 12.

Front

What is the greatest common factor (GCF) of 12 and 18?

Back

The GCF of 12 and 18 is 6.