Prime+or+Composite??

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 Now to figure out the troublesome question is 27 prime or composite? To find this out I must find all the factors of 27 starting with 1x27 is 27 =====

2 doesn't work because 27 isn't even.

3 does work because 27 2+7=9 and 9 is divisible by 3.

4 doesn't work because 4x6 is 24 and add 4to 24 and you'll get 28 not 27.

5 doesn't work because 27 doesn't end in a 5 or a 0 s it is not divisible by 5.

6 doesn't work because it has to be divisible by 2 and 3.

7 doesn't work because the closest u can get is 7x4=28 not 27.

8 doesn't work because the closest you can get is 3x8=24 and 4x8=32

9 does work because 2+7 is 9 and 9 is divisible by 9.

The factors of 27 are

1,3,9,27

27 is composite