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:










MnStatusDetails
2944709Factored
FactorDigitsBitsDate
9774218371514639680963233832789.72022-11-06 22:38:06
349736297055958092646122375649825976619940943141.32022-11-12 12:37:12
ECM
DigitsB1Curves
2550000264 / 280
Estimated T-Level: 24.7
TF below 2^77 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Marco Voerman3E941E4ACFD1385D0
Verified (Factored)1999-05-09Andrew Haveland-Robinson3E941E4ACFD1385D1847735
Verified (Factored)2018-10-11kkmrkkblmbrbk3E941E4ACFD1385D1126111
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2022-11-11riccardo uberti704FF202FC92C4E3180648253
Verified2022-11-12riccardo uberti704FF202FC92C4E32154090453
P-1 factors
DateFactorB1B2
2022-11-0697742183715146396809632338312000003372218850
2022-11-12349736297055958092646122375649825976619940915000000104505841440
History
DateUserTypeResult
2022-11-15riccardo ubertiNF-PP1
Start=6/5, B1=5750000, B2=120000000
2022-11-14riccardo ubertiNF-PP1
Start=2/7, B1=5000000, B2=100000000
2022-11-12MatiasCardulloCERT
PRP Certification
Proof certified good
2022-11-12riccardo ubertiC-PRP
M2944709/977421837151463968096323383/3497362970559580926461223756498259766199409 : 704FF202FC92C4E3
PRP proof power = 7
PRP: Verified
Proof certified good
2022-11-12riccardo ubertiF-PM1
Factor: 3497362970559580926461223756498259766199409 / (P-1, B1=15000000, B2=104505841440)
2022-11-12Evans PaschalCERT
PRP Certification
Proof certified good
2022-11-11riccardo ubertiC-PRP
M2944709/977421837151463968096323383 : 704FF202FC92C4E3
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2022-11-06JossF-PM1
Factor: 977421837151463968096323383 / (P-1, B1=1200000, B2=3372218850)
2021-05-19TJAOINF
no factor from 2^68 to 2^69
2018-12-24chuenkitNF
no factor from 2^67 to 2^68
2018-10-11kkmrkkblmbrbkC-LL
3E941E4ACFD1385D
2017-11-28Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-24ramgeisNF
no factor from 2^65 to 2^66
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-04-29VictordeHollanderNF-PM1
B1=1000000, B2=20000000, E=12
2015-04-27VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-27VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-12-24markrNF
no factor from 2^61 to 2^62
2010-11-05markrNF-PM1
B1=105000, B2=2310000, E=6
2009-02-13Sturle SundeNF
no factor from 2^60 to 2^61