Which equation correctly multiplies only prime numbers and has a product of 18?

a. 2 x 9=18

b. 3 x 3 x 3=18

c. 2 x 2 x 3=18

d. 2 x 3 x 3=18?

Question

Emmalee Daniels

Mathematics

15 April, 18:25

Which equation correctly multiplies only prime numbers and has a product of 18?

a. 2 x 9=18

b. 3 x 3 x 3=18

c. 2 x 2 x 3=18

d. 2 x 3 x 3=18?

+3

Answers (1)

Know the Answer?

Big Bird · Answer 1

A prime number has no factors other than itself or 1.

eg 3 is a prime number but 9 is not because 9 = 3*3.

so a is incorrect

the other 3 options all contain prime numbers but only one multiplication is correct

Which equation correctly multiplies only prime numbers and has a product of 18?a. 2 x 9=18b. 3 x 3 x 3=18c. 2 x 2 x 3=18d. 2 x 3 x 3=18?

Which equation correctly multiplies only prime numbers and has a product of 18?

a. 2 x 9=18

b. 3 x 3 x 3=18

c. 2 x 2 x 3=18

d. 2 x 3 x 3=18?