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2 votes
All of the following numbers are composite numbers except:

a.15
b.17
c.18
d.14

User Tredontho
by
8.3k points

2 Answers

6 votes
your answer is B=17

hope I helped you
User Ricardo Gellman
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8.2k points
5 votes
except 17 because it is a prime number

The others have factors like for example 15 = 5 * 3.
User Fvox
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