Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
346607TF
No factors below 268
TF target 244
TF below 2^97 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 83000000
B2 = 3417715321020
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000201 / 1566
Estimated T-Level: 30.6 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski1E350
VerifiedUnknown1E350
VerifiedGuillermo Ballester Valor76392C0C55E39E350
VerifiedEivind Triel76392C0C55E39E35269840
Verified2002-02-03Dennis Pope76392C0C55E39E35172915
History
DateUserTypeResult
2023-07-10JacobZNF-PM1
B1=83000000, B2=3417715321020
2023-02-04JossNF-PM1
B1=1000000, B2=27892134270
2022-12-28masserNF-PP1
Start=6/5, B1=20000000, B2=620000000
2022-12-22masserNF-PP1
Start=188/37, B1=20000000, B2=620000000
2022-12-22masserNF-PP1
Start=2/7, B1=20000000, B2=640000000
2022-07-30Gordon SpenceNF
no factor from 2^67 to 2^68
2022-07-30Gordon SpenceNF
no factor from 2^66 to 2^67
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2019-12-02Gordon SpenceNF
no factor from 2^65 to 2^66
2018-02-16Gordon SpenceNF
no factor from 2^64 to 2^65
2016-10-31mikrNF-PM1
B1=60000000, B2=3000000000, E=12
2015-12-18Gordon SpenceNF
no factor from 2^63 to 2^64
2015-12-18Gordon SpenceNF
no factor from 2^62 to 2^63
2015-07-25NRNF
no factor from 2^61 to 2^62
2013-06-25Sid & AndyNF
no factor from 2^60 to 2^61
2010-05-21BudNF-PM1
B1=10000000, B2=200000000, E=12
2009-01-25Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-30Sturle SundeNF
no factor from 2^58 to 2^59