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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Exponent Range:





MnDetails
27151489
Composite: 1 known prime factor
Trial Factored to 271
TF target 270
Factored
FactorDigitsBitsDate
1348314193462167290594632476.82021-03-31 15:29:31
P-1 factors
DateFactorsB1B2
2021-03-31134831419346216729059463
1350000109350000
ECM
DigitsB1Curves
25500007 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factored2005-12-12Torsten82BACE5767E7694022367963Windows,Prime95,v23,(aka WZ1)
Factored2011-07-12Nikolaj Korbar82BACE5767E7694022504563Windows,Prime95,v25.8,build 5
History
DateUserTypeResult
2021-05-15firejugglerNF-PP1Start=6/5, B1=500000, B2=23000000
2021-03-31firejugglerF-PM1Factor: 134831419346216729059463 / B1=1350000, B2=109350000
2021-02-19mikrNFno factor TF: 70-71
2018-09-11chuenkitNFno factor TF: 69-70
2018-04-09VictordeHollanderNFno factor TF: 68-69
2016-01-17NRNFno factor TF: 67-68
2011-07-12Nikolaj KorbarC-LL82BACE5767E76940
2005-12-12-anonymous-C-LL82BACE5767E76940
2005-04-02-anonymous-NF-PM1B1=420000
2004-10-18tscNFno factor TF: 1-67
2004-03-16-anonymous-NFno factor TF: 1-62
2002-08-31JossNFno factor TF: 1-57
2001-08-18Net_ForceNFno factor TF: 1-56