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
4804409TF
No factors below 272
TF target 265
P-1
B1 = 4100000
B2 = 10640508450
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified1998-07-05Claus Wøbbe695BFB55AF596A100
Verified2001-04-01Brian J. Peterson695BFB55AF596A104640427
History
DateUserTypeResult
2022-12-28Sid & AndyNF-PM1
B1=4100000, B2=10640508450
2020-12-06-Anonymous-NF
no factor from 2^71 to 2^72
2020-12-03-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-03-Anonymous-NF
no factor from 2^69 to 2^70
2020-12-03-Anonymous-NF
no factor from 2^68 to 2^69
2018-05-08ramgeisNF
no factor from 2^67 to 2^68
2017-11-14YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-07-17snme2pm1NF
no factor from 2^65 to 2^66
2015-06-17David CampeauNF-PM1
B1=1037000, B2=30073000, E=12
2015-01-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-03VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-12JossNF-PM1
B1=68359
2011-09-11GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-07-16USAFSSNF-PM1
B1=55000, B2=921250, E=6
2010-05-15markrNF
no factor from 2^61 to 2^62