Prime and Composite Numbers

Front

What are factors?

Back

The numbers multiplied together to make a product.

Front

How is a prime number different from a composite number?

Back

Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

Front

Prime numbers have:

Back

Exactly 2 factors

Front

Composite numbers:

Back

Have more than 2 factors

Front

Which number is composite? Options: 11, 13, 21, 23

Back

21

Front

Find the prime number. Options: 10, 9, 7, 4

Back

7

Front

Which of the following is a factor of 54? Options: 4, 7, 5, 9

Back

9

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 number is NOT divisible by 6? Options: 35, 42, 18, 72

Back

35

Front

Factors of 12: 1,2,3,4,6,12, 1,2,3,4,6,8,12, 1,2,4,6,12, 2,4,6,8,10,12

Back

1,2,3,4,6,12