Prime and Composite

Front

What is a prime number?

Back

a number with ONLY two factors

Front

Composite number

Back

A number with MORE THAN TWO factors

Front

Which list has only prime numbers? Options: 2, 3, 4, 5, 1, 5, 7, 9, 2, 3, 5, 7, 2, 4, 6, 8

Back

2, 3, 5, 7

Front

Which list is only composite numbers? Options: 1, 3, 4, 2, 4, 6, 4, 6, 8, 5, 6, 8

Back

4, 6, 8

Front

Which one is a composite number? Options: 37, 41, 21, 29

Back

21

Front

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

Back

9

Front

List all the factors for the number 24.

Back

1, 2, 3, 4, 6, 8, 12, 24

Front

Numbers that can be multiplied together to make a product.

Back

factors

Front

Joe has listed the first 4 multiples of 7 as: 7, 14, 22, 28. Which one is incorrect?

Back

22

Front

What are the factors of 51?

Back

1, 3, 17, 51