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
4934311TF
No factors below 272
TF target 265
P-1
B1 = 4000000
B2 = 10340738100
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified1998-05-08Steffen ZahnA6540DC25EC1BFAA0
Verified2000-03-08BrianA6540DC25EC1BFAA1636787
History
DateUserTypeResult
2023-04-13Sid & AndyNF-PM1
B1=4000000, B2=10340738100
2021-04-25-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-24-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-23-Anonymous-NF
no factor from 2^69 to 2^70
2021-02-01TJAOINF
no factor from 2^68 to 2^69
2018-05-23ramgeisNF
no factor from 2^67 to 2^68
2017-10-26YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-07-26snme2pm1NF
no factor from 2^65 to 2^66
2014-12-31VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-31VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-23mikrNF-PM1
B1=1200000, B2=39750000, E=12
2011-09-28GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-07-17Squeeky_SquirrelNF-PM1
B1=60000, B2=960000, E=6
2010-03-24markrNF
no factor from 2^61 to 2^62
2009-09-13Carsten KossendeyNF-PM1
B1=30000, B2=435000