Perfect numbers.

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A perfect number is one in which all its factors (except the number itself) total to the number. For example 6 = 1 + 2 + 3 is a perfect number since the proper factors of 6 are 1, 2 and 3 and they total to 6. 12 is not a perfect number as its proper factors are 1, 2, 3, 4, 6 and they total 16. (a) Find one other perfect number between 20 and 30.

Comments

  1. Anonymous27 June 2021 at 18:40

    If you keep trial and erroring, then you will find out that 28 is the perfect number between 20 and 30

    ReplyDelete

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