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
3039847Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 271
TF target 264
TF below 2^77 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 10009294680
ECM
DigitsB1Curves
2550000254 / 280
Estimated T-Level: 24.5 ⓘ
LL
StatusDateUserResidueShift
VerifiedMats DahlgrenBF581E2DDFCE43F80
Verified1999-06-15Charles DorianBF581E2DDFCE43F828910
History
DateUserTypeResult
2024-03-25JossNF-PM1
B1=10000000, B2=10009294680
2022-06-20mikrNF
no factor from 2^70 to 2^71
2022-04-12mikrNF
no factor from 2^69 to 2^70
2021-04-08TJAOINF
no factor from 2^68 to 2^69
2020-10-26oodairaNF-PM1
B1=32582563, B2=1857206091, E=12
2018-07-22ramgeisNF
no factor from 2^67 to 2^68
2017-08-07mikrNF-PM1
B1=3000000, B2=100000000, E=12
2017-07-30JossNF-PM1
B1=390000, B2=3900000, E=6
2017-05-04Gordon SpenceNF
no factor from 2^66 to 2^67
2017-01-04JossNF-PM1
B1=132000
2016-10-10Squeeky_SquirrelNF-PM1
B1=195000, B2=5313750, E=6
2015-06-03ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2010-10-22Sid & AndyNF
no factor from 2^61 to 2^62
2010-10-08markrNF-PM1
B1=110000, B2=2420000, E=6
2009-02-13Sturle SundeNF
no factor from 2^60 to 2^61