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

03-10-2017

20 = 2 x 2 x 5, which can also be written 20 = 2² x 5
thus B is your Answer.

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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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