Prime/Composite 11/18

Front

What are prime numbers?

Back

Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves.

Front

What are composite numbers?

Back

Composite numbers are natural numbers greater than 1 that have more than two positive divisors.

Front

List the factors of 1.

Back

1 has only one factor: 1.

Front

List the factors of 2.

Back

The factors of 2 are 1 and 2.

Front

List the factors of 3.

Back

The factors of 3 are 1 and 3.

Front

List the factors of 4.

Back

The factors of 4 are 1, 2, and 4.

Front

List the factors of 5.

Back

The factors of 5 are 1 and 5.

Front

List the factors of 6.

Back

The factors of 6 are 1, 2, 3, and 6.

Front

Is 7 a prime or composite number?

Back

7 is a prime number because it has only two factors: 1 and 7.

Front

Is 8 a prime or composite number?

Back

8 is a composite number because it has more than two factors: 1, 2, 4, and 8.