Prime and Composite Numbers

Front

Is 81 prime or composite?

Back

Composite

Front

Is 5 prime or composite?

Back

Prime

Front

Which definition best describes a prime number?

Back

A number greater than 1 that only has factors of 1 and itself.

Front

Find the prime number: 10, 9, 7, 4

Back

7

Front

Is 7 a prime number or a composite number?

Back

Prime

Front

What is a prime number?

Back

A number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A number that has more than two positive divisors.

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.

Front

Is 2 a prime number?

Back

Yes, 2 is the only even prime number.