Can you name the lowest eight numbers where the sum of their factors adds up to the number itself?
- Answers do not have to be guessed in order
- Source: Wikipedia
- e.g. 16 is not a perfect number since 1 + 2 + 4 + 8 = 15 not 16. Be warned this is tough!
- This quiz has not been verified by Sporcle
Perfect Numbers Quiz
- Created Dec 13, 2009 in Science
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