Prime and Composite Numbers

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

Is 5 prime or composite?

Back

Prime

Front

Is 81 prime or composite?

Back

Composite

Front

Which number below is NOT prime: 7, 9, 2, 3?

Back

9

Front

Which number listed below is a prime number: 1, 37, 63, 33?

Back

37

Front

Is 12 prime or composite?

Back

Composite

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

What is the smallest prime number?

Back

2

Front

What is the largest single-digit prime number?

Back

7