Prime or Composite

Front

15 is a __________ number.

Back

composite

Front

A number that has only two factors, 1 and itself, is called a _______ number.

Back

prime

Front

Numbers that can be multiplied together to make a product are called __________.

Back

factors

Front

Which number below is NOT prime? 2, 11, 13, 18

Back

18

Front

Which number below is NOT prime? 3, 7, 9, 11

Back

9

Front

A number that has more than two factors is called a __________ number.

Back

composite

Front

The smallest prime number is __________.

Back

2

Front

The number 1 is considered __________.

Back

neither prime nor composite

Front

The first five prime numbers are __________.

Back

2, 3, 5, 7, 11

Front

The number 0 is considered __________.

Back

neither prime nor composite