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

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Exponent Range:










MnStatusDetails
1246499TF
No factors below 269
TF target 260
TF below 2^81 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 37000000
B2 = 119316517320
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedJoel ArmengaudDCDFCFDB7CF04D430
VerifiedCornelius CaesarDCDFCFDB7CF04D430
VerifiedRicardo MontielDCDFCFDB7CF04D430
Verified2015-11-12MadPooDCDFCFDB7CF04D43972355
History
DateUserTypeResult
2024-03-26krackerNF
no factor from 2^68 to 2^69
2022-04-24Sid & AndyNF-PM1
B1=37000000, B2=119316517320
2020-04-26Gordon SpenceNF
no factor from 2^67 to 2^68
2018-09-14YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-11-12MadPooC-LL
DCDFCFDB7CF04D43
2015-09-20ramgeisNF
no factor from 2^65 to 2^66
2015-04-06monstNF
no factor from 2^64 to 2^65
2015-04-04omylistNF
no factor from 2^63 to 2^64
2015-01-13mikrNF-PM1
B1=4218475, B2=156083565, E=12
2014-09-25JossNF-PM1
B1=251491
2012-10-07dbaughNF
no factor from 2^62 to 2^63
2012-09-14AxelssonNF
no factor from 2^61 to 2^62
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61