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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Single Curio View: (Seek other curios for this number) 59 is the only known mutidigit number n (up to 6000) such that sigma(n^n) + n is prime. The prime related to the next such number (if it exists) has more than 22500 digits. [Firoozbakht]
Submitted: 20090607 05:00:05; Last Modified: 20090607 08:25:47.
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