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| | Note for the Perfect NumbersEasyChair Preprint 13131, version history| Version | Date | Pages | Version notes | 
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 | 1 | April 29, 2024 | 7 |  |  | 2 | July 11, 2024 | 7 | We fixed the sentence: "there are no two consecutive Mersenne numbers M_{n} and M_{n+1} which can simultaneously be both primes for n > 2" |  | 3 | July 12, 2024 | 6 | We summarize the explanation on geometric series. |  | 4 | July 15, 2024 | 6 | Fixed formula in Proposition 1. | 
Keyphrases: Mersenne primes, divisor sum function, perfect numbers, prime numbers | 
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