Prime and composite numbers

Front

Prime numbers have:

Back

Exactly 2 factors

Front

Composite numbers

Back

Have more than 2 factors

Front

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

Back

7

Front

Which number is NOT a factor of 18? Options: 9, 5, 3, 2

Back

5

Front

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

Back

21

Front

Which number listed below is a prime number? Options: 1, 37, 63, 33

Back

37

Front

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

Back

9

Front

Which of the following numbers is COMPOSITE? Options: 2, 37, 4, 41

Back

4

Front

Which of the following equations will NOT result in a multiple of 5? Options: 11 x 5 = _______, 7 x 3 = _______, 6 x 5 = _______, 2 x 5 = _____

Back

7 x 3 = _______

Front

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

Back

35