Asked by Avenger

Tell which number is prime: 15, 23, 45, 51.

Answers

Answered by Bosnian
23

Becouse:

15 = 3 ∙ 5


45 = 3 ∙ 3 ∙ 5

51 = 3 ∙ 17
Answered by Um
thanks
Answered by BFB fan
what is the awnser
Answered by Ms. Sue
dadada
Answered by h
baddddd
Answered by Baby yoda
Anyone have answers to the full thing
Answered by soup
THE ANSWER is 23 for the prime number!!
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