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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 468 are the first three composite digits. Note that there is a mean gap of exactly 4 between primes less than the 68th prime. [Honaker] 1*1! + 2*2! + 3*3! + ... + 468*468! is a titanic prime. [Firoozbakht]
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