Factors and Multiples

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 four multiples of 3 are 3, 6, 9, and 12.

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 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 factors. For example, 4, 6, and 8 are composite numbers.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two numbers is the smallest multiple that is exactly divisible by both numbers.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two numbers is the largest factor that both numbers share.

Front

List the first four multiples of 5.

Back

The first four multiples of 5 are 5, 10, 15, and 20.

Front

Which number is a factor of 30?

Back

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

Front

What is the relationship between factors and multiples?

Back

Factors are numbers that divide another number evenly, while multiples are the results of multiplying a number by integers.