acdeann
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 9shubham
  • 11-10-2016
23 is a prime number.Since 15,45, and 51 all are divisible by 3
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