angelalivingsto
angelalivingsto angelalivingsto
  • 03-10-2017
  • Mathematics
contestada



Which number is a factor of 20 and also a prime number?


A.
4


B.
5


C.
7


D.


10

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 03-10-2017
20 = 2 x 2 x 5, which can also be written 20 = 2² x 5
thus B is your Answer.
Answer Link
AwesomeHarsi
AwesomeHarsi AwesomeHarsi
  • 03-10-2017
The answer is 5 because, 20= 5*4 then 4= 2*2, from these options 5 is the answer
Answer Link

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