carlandlibp2rza2 carlandlibp2rza2

19-01-2018
Mathematics

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Find all the perfect numbers between 20 and 30

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stevenborges899 stevenborges899

19-01-2018

A perfect number is a natural number whose factors add to the original number.

6 is a good example of this, as 6 = 1 + 2 + 3.

The perfect number between 20 and 30 is 28: 28 = 1 + 2 + 4 + 7 + 14.

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