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

7 answers

23

Becouse:

15 = 3 ∙ 5

45 = 3 ∙ 3 ∙ 5

51 = 3 ∙ 17

thanks

what is the awnser

dadada

baddddd

Anyone have answers to the full thing

THE ANSWER is 23 for the prime number!!

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