a perfect number is a number that is half the sum of all of its positive divisors (including itself) *
Answers
Given : a perfect number is a number that is half the sum of all of its positive divisors (including itself) *
To Find : 1st two perfect numbers
Solution:
A Perfect Number is a positive integer which is equal to the sum of its factors
Perfect number is a number that is sum of all of its positive divisors ( excluding itself )
Divisors of 6 are 1 , 2 , 3
6 = 1 + 2 + 3
or
perfect number is a number that is half the sum of all of its positive divisors ( including itself )
Divisors including number of 6 are 1 , 2 , 3 & 6
(1 + 2 + 3 + 6)/2 = 6
Next number is 28
28 = 1 + 2 + 4 + 7 + 14
(1 + 2 + 4 + 7 + 14 + 28)/2 = 28
6 and 28 are 1st two Perfect numbers
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