acdeann acdeann

11-10-2016
Mathematics

contestada

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

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alwilson alwilson

11-10-2016

The prime number is 23

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9shubham 9shubham

11-10-2016

23 is a prime number.Since 15,45, and 51 all are divisible by 3

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