Question

Express 108 as a product of primes.

Options
108 = 2 x 2 x 3 x 9
108 = 2 x 2 x 3 x 3 x 3
108 = 4 x 27
108 = 2 x 2 x 27

Answer 1

I think it is the last option

Answer 2

180=2x2x3x3x3

Answer 3

mmm.

Answer 4

thank you

Answer 5

Use prime factorization: http://en.wikipedia.org/wiki/Prime_factor

Answer 6

it's NOT the last option because 27 is NOT a prime number

27 = 9*3
27 = 3*3*3

which shows you that 27 is NOT prime

Answer 7

Thank you guys!

Answer 8

yup:)