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

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Exponent Range:










MnStatusDetails
7879153TF
No factors below 273
TF target 267
P-1
B1 = 25000000
B2 = 40052471550
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
VerifiedLudovic FerrandisF709797F803B245E0
Verified1999-08-16Nick Egloff,2ndF709797F803B245E6916432
History
DateUserTypeResult
2022-04-11RichD0NF
no factor from 2^72 to 2^73
2022-02-13Oliver KruseNF-PM1
B1=25000000, B2=40052471550
2021-10-14Architects CubedNF-PM1
B1=411000, B2=23398000
2021-10-13SRBaseNF
no factor from 2^71 to 2^72
2021-09-06SRBaseNF
no factor from 2^70 to 2^71
2021-08-22SRBaseNF
no factor from 2^69 to 2^70
2020-02-14TJAOINF
no factor from 2^68 to 2^69
2018-08-05ramgeisNF
no factor from 2^67 to 2^68
2016-08-31Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-09VictordeHollanderNF
no factor from 2^65 to 2^66
2013-12-19David CampeauNF
no factor from 2^64 to 2^65
2013-10-05NesowaNF
no factor from 2^63 to 2^64
2012-10-08NesowaNF-PM1
B1=100000, B2=1900000, E=6