How many prime factors does 28 have?

Answer 1

The prime factors are: 2 and 7. 2 x 7 = 14

Answer 2

7 & 2 (7 x 22 = 28)

For questions like these, you should use a factor tree.

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Answer 3

28 has two prime factors - 2 & 7 (2 x 2 x 7 =28)

Answer 4

28 has two prime factors. The prime factors are: 2,7

Answer 5

2 x 2 x 7 = 28

Answer 6

The Prime Factors of 28 are: 2 and 7