Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2307913Factored
FactorDigitsBitsDate
11250257972929336793189355441773199.82022-02-08 11:01:35
ECM
DigitsB1Curves
2550000170 / 280
Estimated T-Level: 23.0 ⓘ
TF below 2^72 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Philipp HänggiAEF33CF45BE02CF20
Verified (Factored)1999-05-30Douglas StebilaAEF33CF45BE02CF22164802
Verified (Factored)2004-04-29S191200AEF33CF45BE02CF20
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-02-11LaurV17C057BEF00284521213677553
P-1 factors
DateFactorB1B2
2022-02-08112502579729293367931893554417730402457341637496200
History
DateUserTypeResult
2022-02-11curtiscCERT
PRP Certification
Proof certified good
2022-02-11LaurVC-PRP
M2307913/1125025797292933679318935544177 : 17C057BEF0028452
PRP proof power = 7
PRP: Verified
Proof certified good
2022-02-08LaurVF-PM1
Factor: 1125025797292933679318935544177 / (P-1, B1=30402457, B2=341637496200)
2022-01-30LaurVNF-PM1
B1=30402457
2021-07-26TJAOINF
no factor from 2^68 to 2^69
2019-04-29TJAOINF
no factor from 2^67 to 2^68
2017-12-16Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-05-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-10-22ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-13Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-16BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61