Question

which of the following is a perfect number a)32 b)18 c)8

Answer 1

Answer:

is there a none of the above option, because none of them are perfect numbers.

Step-by-step explanation:

a perfect number is the sum of it's factors,

here's why these are not perfect no.

32: 1 + 2 + 4 + 8 + 16 = 31, therefore 32 is not a perfect no.

18: 1 + 2 + 3 + 6 + 9 = 21, therefore 18 is also not a perfect no.

8: 1 + 2 + 4 = 7, therefore 8 is also not a perfect no.

hence, none of these are perfect no.

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