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

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MnStatusDetails
7350829Factored
FactorDigitsBitsDate
4693645891955158896274598332788.62023-03-11 07:34:18
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-05-02C. Cooper / S. Boone8965801886B900483805005
Verified (Factored)2002-04-14Mike Faunce8965801886B900485063696
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-03-17Funky Waddle83AC8E93DEA2C07C1608411353
P-1 factors
DateFactorB1B2
2023-03-1146936458919551588962745983332000008216426400
History
DateUserTypeResult
2023-03-17curtiscCERT
PRP Certification
Proof certified good
2023-03-17Funky WaddleC-PRP
M7350829/469364589195515889627459833 : 83AC8E93DEA2C07C
PRP proof power = 8
PRP: Verified
Proof certified good
2023-03-11DRobinsonPEF-PM1
Factor: 469364589195515889627459833 / (P-1, B1=3200000, B2=8216426400)
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2021-08-24SRBaseNF
no factor from 2^70 to 2^71
2021-08-19SRBaseNF
no factor from 2^69 to 2^70
2020-04-17TJAOINF
no factor from 2^68 to 2^69
2018-08-05ramgeisNF
no factor from 2^67 to 2^68
2017-05-12Squeeky_SquirrelNF-PM1
B1=430000, B2=13330000, E=12
2016-10-06Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-21VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-21David CampeauNF
no factor from 2^64 to 2^65
2012-09-13NesowaNF-PM1
B1=80000, B2=1380000, E=6
2012-03-25David CampeauNF
no factor from 2^63 to 2^64