Prime and Composite Numbers

Front

Is 3 a factor of 12?

Back

yes

Tags

CCSS.4.OA.B.4

Front

Besides 15 and 1, what is one factor of 15? Options: 2, 4, 6, 3

Back

3

Tags

CCSS.4.OA.B.4

Front

What do we call the answer to a multiplication question? Options: sum, difference, quotient, product

Back

product

Tags

CCSS.3.OA.A.1

Front

Which of the following is NOT true about prime numbers? Options: They have exactly two factors, 1 is a factor of every prime number, No prime numbers end in zero, All prime numbers are odd numbers.

Back

All prime numbers are odd numbers.

Tags

CCSS.4.OA.B.4

Front

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

Back

5

Tags

CCSS.4.OA.B.4

Front

Is 33 a prime or composite number?

Back

Composite

Tags

CCSS.4.OA.B.4

Front

Use a factor tree to find prime factorization of 24.

Back

2 x 3 x 2 x 2

Front

Which of the following is NOT prime?

11

,

13

,

19

,

21

Back

21

Tags

CCSS.4.OA.B.4

Front

Use a factor tree to find the prime factorization of 60.

Back

2 x 3 x 2 x 5

Front

Use a factor tree to find the prime factorization of 45

Back

2 x 3 x 5