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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2390611TF
No factors below 270
TF target 263
TF below 2^80 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 12200000
B2 = 39122153070
ECM
DigitsB1Curves
2550000280 / 280
3025000074 / 640
Estimated T-Level: 25.6 ⓘ
LL
StatusDateUserResidueShift
Verified1998-06-29Herb Savage7AF28E5EF816911C0
Verified1999-04-13nalifien7AF28E5EF816911C1393548
Verified2018-05-16kkmrkkblmbrbk7AF28E5EF816911C972958
History
DateUserTypeResult
2024-03-22TJAOINF
no factor from 2^69 to 2^70
2023-07-15Sid & AndyNF-PM1
B1=12200000, B2=39122153070
2023-05-29JossNF-PM1
B1=1000000, B2=3799936140
2023-01-26JossNF-PM1
B1=1000000, B2=571651080
2021-06-17TJAOINF
no factor from 2^68 to 2^69
2019-03-11TJAOINF
no factor from 2^67 to 2^68
2018-05-16kkmrkkblmbrbkC-LL
7AF28E5EF816911C
2017-06-23Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-11-22mikrNF-PM1
B1=3000000, B2=100000000, E=12
2015-11-02ramgeisNF
no factor from 2^65 to 2^66
2015-03-10VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-10VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-15-Anonymous-NF-PM1
B1=126848
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-06-01Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-12-25markrNF-PM1
B1=100000, B2=2075000, E=6
2010-11-15JossNF-PM1
B1=20000
2010-11-08JossNF-PM1
B1=15000
2009-01-16Sturle SundeNF
no factor from 2^60 to 2^61