jadacarpenter83 jadacarpenter83
  • 23-02-2018
  • Mathematics
contestada

Tell which number is prime: 31, 49, 88, 91.

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 23-02-2018
Hey there! 

If a number is divisible by something, then it isn't prime:

For example:

49/7= 7  88/8= 11 91/13=7

31 is the prime number. 

I hope this helps!
~kaikers
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