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
2202929Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 262
TF below 2^82 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 42721122990
ECM
DigitsB1Curves
2550000280 / 280
30250000136 / 640
Estimated T-Level: 26.1
LL
StatusDateUserResidueShift
VerifiedRobert Moniot833B33BBEE2260850
Verified1999-03-01Guillermo Ballester Valor833B33BBEE226085399865
Verified2018-04-16kkmrkkblmbrbk833B33BBEE226085180222
History
DateUserTypeResult
2023-08-10Sid & AndyNF-PM1
B1=10000000, B2=42721122990
2023-07-09JossNF-PM1
B1=1000000, B2=3860037720
2023-03-19JossNF-PM1
B1=1000000, B2=1809697890
2023-02-10JossNF-PM1
B1=1000000, B2=627837210
2022-10-25Architects CubedNF
no factor from 2^69 to 2^70
2021-07-15TJAOINF
no factor from 2^68 to 2^69
2019-12-04mikrNF-PM1
B1=5000000, B2=200000000, E=12
2019-05-13TJAOINF
no factor from 2^67 to 2^68
2018-04-16kkmrkkblmbrbkC-LL
833B33BBEE226085
2016-12-04Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-12-22Alexander DubrovinNF-PM1
B1=2000000, B2=200000000, E=12
2015-12-19Alexander DubrovinNF-PM1
B1=2000000, B2=120000000, E=12
2015-12-09Alexander DubrovinNF-PM1
B1=2000000, B2=70000000, E=12
2015-12-09Alexander DubrovinNF-PM1
B1=2000000, B2=50000000, E=12
2015-12-06Alexander DubrovinNF-PM1
B1=2000000, B2=10000000, E=12
2015-11-24Alexander DubrovinNF-PM1
B1=1000000, B2=8000000, E=6
2015-11-21Alexander DubrovinNF-PM1
B1=1000000, B2=3000000, E=6
2015-10-21ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-17JossNF-PM1
B1=148272
2014-06-24JossNF-PM1
B1=119136
2013-12-04LaurVNF
no factor from 2^62 to 2^63
2011-01-10markrNF-PM1
B1=90000, B2=1642500, E=6
2010-11-09JossNF-PM1
B1=30000
2010-11-05JossNF-PM1
B1=15000
2009-01-07Sturle SundeNF
no factor from 2^61 to 2^62
2009-01-02Sturle SundeNF
no factor from 2^60 to 2^61