pinkequi4521 pinkequi4521
  • 20-09-2018
  • Mathematics
contestada

which two of the prime numbers below are factors of 247.
a.11
b.13
c.17
d.19

Respuesta :

tramserran
tramserran tramserran
  • 20-09-2018

a) 247 ÷ 11 = 22 r.5    since there is a remainder it is not a factor

b) 247 ÷ 13 = 19      there is no remainder so this is a factor!  The other factor is 19.

Answer: B, D

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