Factors and Multiples

Front

What is a multiple?

Back

A multiple of a number is the result of multiplying that number by an integer. For example, the multiples of 6 are 6, 12, 18, 24, 30, etc.

Front

What are the first three multiples of 5?

Back

The first three multiples of 5 are 5, 10, and 15.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 3 is a factor of 12 because 12 ÷ 3 = 4.

Front

What are the factors of 24?

Back

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

Front

Is 15 a prime number?

Back

No, 15 is not a prime number because it has factors other than 1 and itself (1, 3, 5, 15).

Front

Is 7 a prime number?

Back

Yes, 7 is a prime number because its only factors are 1 and 7.

Front

What are the next three multiples of 4 after 4, 8, 12?

Back

The next three multiples of 4 are 16, 20, and 24.

Front

Which number is a factor of 30?

Back

The factors of 30 include 1, 2, 3, 5, 6, 10, 15, and 30. For example, 5 is a factor of 30.

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 3 and 5?

Back

The LCM of 3 and 5 is 15.