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
1331059Factored
FactorDigitsBitsDate
7323027583979134125832169.32014-02-18 12:57:25
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)George WoltmanAAEFE1D193394EB20
Verified (Factored)Cornelius CaesarAAEFE1D193394EB20
Verified (Factored)2010-03-17Bruce A MetcalfAAEFE1D193394EB21020009
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-30Oliver Kruse486FF828B669C2B21013
Verified2017-10-23kkmrkkblmbrbk486FF828B669C2B2159995613
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2017-10-23kkmrkkblmbrbkC-PRP
M1331059/732302758397913412583 : 486FF828B669C2B2
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1331059/732302758397913412583 : 486FF828B669C2B2
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-02-18Never Odd Or EvenF
Factor: 732302758397913412583 / TF: 69-70
2014-02-04Never Odd Or EvenNF
no factor from 2^69 to 2^70
2014-02-04Never Odd Or EvenNF
no factor from 2^68 to 2^69
2014-02-04Never Odd Or EvenNF
no factor from 2^67 to 2^68
2014-02-04Never Odd Or EvenNF
no factor from 2^66 to 2^67
2014-02-04Never Odd Or EvenNF
no factor from 2^65 to 2^66
2013-10-19David CampeauNF
no factor from 2^64 to 2^65
2012-09-01lycornNF
no factor from 2^61 to 2^64
2009-02-16Sturle SundeNF
no factor from 2^60 to 2^61