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Which number is prime? 10 5 15 18​
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4 votes
Which number is prime? 10 5 15 18​

User SuperbAfterSemperPhi
by
7.7k points

1 Answer

3 votes

Answer:

5

Explanation:

Prime numbers: 2,3,5,7,11,13,17,19 and so on, and 5 is the only one.

10 is a multiple of 5 and 2, 15 is a multiple of 5 and 3, 18 are multiples of 2,3,6,9.

User Blenikos
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