Factors, Multiples, Prime, and Composite

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 is a prime number?

Back

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

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

Is 1 a prime number?

Back

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

Front

What is the smallest composite number?

Back

The smallest composite number is 4.

Front

What are the multiples of 3?

Back

The multiples of 3 are 3, 6, 9, 12, 15, etc.

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 4 and 5?

Back

The LCM of 4 and 5 is 20.