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

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Exponent Range:










MnStatusDetails
725723Factored
FactorDigitsBitsDate
5973127481339469998142952823939170873270341135.52022-12-03 10:52:52
ECM
DigitsB1Curves
2550000280 / 280
30250000136 / 640
Estimated T-Level: 26.1
TF below 2^82 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski3C940
Verified (Factored)Ken KrieselE5D00A60E295FC940
Verified (Factored)2002-10-07S57483E5D00A60E295FC94674191
Verified (Factored)2015-04-11MadPooE5D00A60E295FC94538730
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-12-07LordJulius70BBA00ECC524BFB149833153
P-1 factors
DateFactorB1B2
2022-12-03597312748133946999814295282393917087327031000000002002602952350
History
DateUserTypeResult
2022-12-07paulieCERT
PRP Certification
Proof certified good
2022-12-07LordJuliusC-PRP
M725723/59731274813394699981429528239391708732703 : 70BBA00ECC524BFB
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-03lycornF-PM1
Factor: 59731274813394699981429528239391708732703 / (P-1, B1=100000000, B2=2002602952350)
2022-11-15JossNF-PM1
B1=15337781, B2=14789624850
2022-03-27Gordon SpenceNF
no factor from 2^67 to 2^68
2020-05-10Gordon SpenceNF
no factor from 2^66 to 2^67
2017-08-07Smok_bmv NF
no factor from 2^65 to 2^66
2016-08-23JossNF-PM1
B1=13712331, B2=593378460, E=12
2016-04-26lycornNF
no factor from 2^64 to 2^65
2015-11-28Sid & AndyNF-PM1
B1=9889641, B2=296689230, E=12
2015-11-18JossNF-PM1
B1=12465756
2015-11-13JossNF-PM1
B1=11950533
2015-11-11JossNF-PM1
B1=11435310
2015-11-06JossNF-PM1
B1=10920087
2015-10-28JossNF-PM1
B1=10404864
2015-10-20JossNF-PM1
B1=9889641
2015-10-16JossNF-PM1
B1=9374418
2015-10-15Gordon SpenceNF
no factor from 2^63 to 2^64
2015-10-15Gordon SpenceNF
no factor from 2^62 to 2^63
2015-10-12JossNF-PM1
B1=8859195
2015-10-09JossNF-PM1
B1=8343972
2015-09-29JossNF-PM1
B1=7117045
2015-09-27JossNF-PM1
B1=6470041
2015-09-20JossNF-PM1
B1=5881856
2015-09-18JossNF-PM1
B1=5347142
2015-09-15JossNF-PM1
B1=4861039
2015-06-25JossNF-PM1
B1=4419127
2015-06-08JossNF-PM1
B1=4017389
2015-05-22JossNF-PM1
B1=3652172
2015-05-01JossNF-PM1
B1=3320157
2015-04-11MadPooC-LL
E5D00A60E295FC94
2015-04-08JossNF-PM1
B1=2743932
2015-03-02NRNF
no factor from 2^61 to 2^62
2012-11-05JossNF-PM1
B1=2494484
2012-03-20JossNF-PM1
B1=1510343
2011-10-08JossNF-PM1
B1=1006895
2011-08-20JossNF-PM1
B1=503447
2011-02-24JossNF-PM1
B1=400000
2010-06-18Architects CubedNF
no factor from 2^60 to 2^61
2008-10-13Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-13Sturle SundeNF
no factor from 2^58 to 2^59