Factors and Multiples

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Front

List the factors of 42.

Back

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.

Front

List the factors of 30.

Back

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

Front

What are the factors of 24?

Back

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

Front

True or False: Factors are always the same or smaller than the original number.

Back

True.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.

Front

What are the first five prime numbers?

Back

The first five prime numbers are: 2, 3, 5, 7, 11.

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 4?

Back

The LCM of 3 and 4 is 12.