Prime and Composite Numbers

Front

Numbers whose only factors are one and itself.

Back

Prime numbers

Front

What type of numbers have more than two factors?

Back

Composite numbers

Front

The only even prime number

Back

2

Front

Is 1 a prime number?

Back

False

Front

True or False: Every composite number can be expressed as a product of prime numbers.

Back

True

Front

Is 51 a prime number?

Back

No

Front

Is 129 a prime number?

Back

No

Front

3 x 17

Back

51

Front

Is 79 a prime number?

Back

True

Front

Why is 20 a composite number?

Back

Because it has more than two factors.