Prime and Composite Numbers

Front

Which number is prime? Options: 13, 15, 12, 20

Back

13

Front

Which number is prime? Options: 11, 22, 9, 6

Back

11

Front

Which number is composite? Options: 15, 3, 5, 13

Back

15

Front

Which number is composite? Options: 21, 2, 0, 29

Back

21

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

Which of the following numbers shows all of the factors of 12? Options: 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

Front

Marly noticed that her house number and her friend’s house number are both prime numbers. Which of the following could be their house numbers? Options: Marly 13 Friend 25, Marly 27 Friend 15, Marly 29 Friend 39, Marly 31 Friend 13

Back

Marly 31 Friend 13

Front

Pablo needs a taxi. The taxi driver told him that her car number was not a prime number. Which taxi could be the taxi that Pablo needs to get into?

Back

Front

This year, fall break will start on a Monday in October. The date is a prime number. What could be the date that fall break will start? Options: October 1, October 8, October 15, October 29

Back

October 29