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
4811483TF
No factors below 271
TF target 265
P-1
B1 = 4100000
B2 = 10697308050
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2
LL
StatusDateUserResidueShift
VerifiedLesC30EF446E8F16FD20
Verified1998-10-18Roger Vives MiretC30EF446E8F16FD20
Verified2000-03-08David UnderbakkeC30EF446E8F16FD21557633
History
DateUserTypeResult
2023-03-11Sid & AndyNF-PM1
B1=4100000, B2=10697308050
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
2017-11-12YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^1 to 2^61
2015-07-18snme2pm1NF
no factor from 2^65 to 2^66
2015-01-04VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-04VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-03David CampeauNF-PM1
B1=415000, B2=10790000, E=12
2011-09-11GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-05-09markrNF
no factor from 2^61 to 2^62
2009-09-03Carsten KossendeyNF-PM1
B1=30000, B2=412500