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
76516751Factored
FactorDigitsBitsDate
22055450011281590754438732580.92016-06-06 05:23:56
P-1 factors
DateFactorB1B2
2016-06-06220554500112815907544387364000012800000
History
DateUserTypeResult
2016-06-06baseyF-PM1
Factor: 2205545001128159075443873 / (P-1, B1=640000, B2=12800000, E=6)
2016-03-17Brian BeuningNF
no factor from 2^74 to 2^75
2016-03-17Brian BeuningNF
no factor from 2^73 to 2^74
2013-09-10DRHNF
no factor from 2^72 to 2^73
2013-09-10DRHNF
no factor from 2^71 to 2^72
2012-12-31-Anonymous-NF
no factor from 2^70 to 2^71
2010-12-27Torchwood InstituteNF
no factor from 2^69 to 2^70
2010-12-25Per JessenNF
no factor from 2^68 to 2^69
2010-11-21mgdavilaINENF
no factor from 2^67 to 2^68
2010-11-14Triumph83NF
no factor from 2^66 to 2^67
2010-09-12-Anonymous-NF
no factor from 2^65 to 2^66
2010-09-08DavidNF
no factor from 2^64 to 2^65