What is the prime factorization of 40?

2 times 5

2 times 20

2 times 2 times 2 times 5

2 times 2 times 4 times 5

2 times 2 times 2 times 5

Step-by-step explanation:

You can work this out using elimination. 2 X 2 X 4 X 5 = 80. So you immediately know it isn't that one

2 X 20 is a possible answer because it equals to 40 however the 20 is still there meaning that wouldn't work.

2 X 5 = 10 So that would work either

C.

Step-by-step explanation:

2 times 2 times 2 times 5 = 40