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
8880107Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 268
P-1
B1 = 3000000
B2 = 4198632900
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified2000-05-31George Pouliot96D89F19BA0C7EAB0
Verified2003-10-23Aaron B96D89F19BA0C7EAB6124798
History
DateUserTypeResult
2022-07-19linamentNF-PM1
B1=3000000, B2=4198632900
2022-06-03linamentNF
no factor from 2^71 to 2^72
2021-11-24mikrNF
no factor from 2^70 to 2^71
2020-10-02-Anonymous-NF
no factor from 2^69 to 2^70
2020-05-08TJAOINF
no factor from 2^68 to 2^69
2018-03-22monstNF
no factor from 2^67 to 2^68
2016-03-08snme2pm1NF
no factor from 2^66 to 2^67
2015-05-25VictordeHollanderNF
no factor from 2^65 to 2^66
2014-01-11lycornNF
no factor from 2^64 to 2^65
2011-12-02James HeinrichNF-PM1
B1=165000, B2=3588750, E=6