Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
2125691No factors below 268
P-1
B1=2 500 000
B2=125 000 000
LL
StatusDateUserResidueShift
VerifiedR. S. Margulies0E0C534DBFED8E870
Verified1999-01-29Dave White0E0C534DBFED8E871815682
Verified2018-04-05kkmrkkblmbrbk0E0C534DBFED8E87313846
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-05-03-Anonymous-factor ECM small0.0 % 2021-05-03
2021-02-18vicchap1factor ECM small0.0 % 2021-02-182021-04-19
History
DateUserTypeResult
2019-05-06TJAOINFno factor from 2^67 to 2^68
2018-04-05kkmrkkblmbrbkC-LL0E0C534DBFED8E87
2017-09-06mikrNF-PM1B1=2500000, B2=125000000, E=12
2017-08-30Jocelyn LaroucheNF-PM1B1=504000, B2=5040000, E=6
2017-08-19Jocelyn LaroucheNF-PM1B1=420000, B2=4200000, E=6
2016-10-15Gordon SpenceNFno factor from 2^66 to 2^67
2016-06-25Jocelyn LaroucheNF-PM1B1=210000, B2=6090000, E=12
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2016-01-06ramgeisNFno factor from 2^65 to 2^66
2015-03-15VictordeHollanderNFno factor from 2^64 to 2^65
2015-03-15VictordeHollanderNFno factor from 2^63 to 2^64
2013-09-06ramgeisNFno factor from 2^62 to 2^63
2012-04-03Sebastian HornbostelNFno factor from 2^61 to 2^62
2011-01-25James HeinrichNF-PM1B1=140000, B2=3045000, E=6
2011-01-11Jocelyn LaroucheNF-PM1B1=50000
2011-01-01Jocelyn LaroucheNF-PM1B1=30000
2009-08-03harleeNF-PM1B1=20000, B2=265000
2009-01-04Sturle SundeNFno factor from 2^60 to 2^61
2003-08-08-Anonymous-NF-PM1B1=2048, B2=204800
1999-01-29-Anonymous-NFno factor to 2^58
1999-01-29-Anonymous-C-LL0E0C534DBFED8E87