Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
74678717Factored
FactorDigitsBitsDate
1533336616611968109487692477.02016-02-27 06:14:42
P-1 factors
DateFactorB1B2
2016-02-2715333366166119681094876962000012090000
History
DateUserTypeResult
2022-06-02LordJuliusNF
no factor from 2^1 to 2^64
2016-02-27VVS77F-PM1
Factor: 153333661661196810948769 / (P-1, B1=620000, B2=12090000, E=4)
2016-02-16AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-16AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-16AirSquirrelsNF
no factor from 2^72 to 2^73
2015-08-26FredrikNF
no factor from 2^71 to 2^72
2013-08-28willmoreNF
no factor from 2^70 to 2^71
2012-10-25usmfunNF
no factor from 2^69 to 2^70
2010-09-22Aldo_GridNF
no factor from 2^68 to 2^69
2010-09-21MarmotaNF
no factor from 2^67 to 2^68
2010-09-13MarmotaNF
no factor from 2^66 to 2^67
2010-09-11oodairaNF
no factor from 2^65 to 2^66
2010-09-11seekuaNF
no factor from 2^64 to 2^65