Prime or 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 2 a prime or composite number?

Back

Prime

Front

Is 4 a prime or composite number?

Back

Composite

Front

Is 9 a prime or composite number?

Back

Composite

Front

Is 13 a prime or composite number?

Back

Prime

Front

Is 1 a prime number?

Back

No, 1 is neither prime nor composite.

Front

What are the first five prime numbers?

Back

2, 3, 5, 7, 11

Front

What are the first five composite numbers?

Back

4, 6, 8, 9, 10

Front

Is 15 a prime or composite number?

Back

Composite