Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
222305779Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20837887963566569654232270.82020-03-25 19:10:56
History
DateUserTypeResult
2020-03-25Alexander TsupkoF
Factor: 2083788796356656965423
2019-02-22Chabot PrimeNF
no factor from 2^69 to 2^70
2018-02-26CorbyguyNF
no factor from 2^68 to 2^69
2016-09-08XZTNF
no factor from 2^67 to 2^68
2015-10-30arnieNF
no factor from 2^66 to 2^67
2013-08-27MucolNF
no factor from 2^65 to 2^66
2011-06-08SaraNF
no factor from 2^64 to 2^65
2010-05-17Architects CubedNF
no factor from 2^63 to 2^64