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:
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MnStatusDetails
575647No factors below 267
P-1
B1=10 000 000
B2=400 000 000
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski1BB50
VerifiedMartin Eibl3A341A7A9B035BB50
VerifiedKlaus Kastens3A341A7A9B035BB5146724
Verified2015-04-11MadPoo3A341A7A9B035BB5512503
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-02-25fattyfactor ECM small0.0 % 2021-02-252021-04-26
2020-12-30-Anonymous-factor ECM smallC1S15.1 % 2021-01-032021-03-04
2020-12-01yetieaterfactor ECM small0.0 % 2021-03-172021-01-30
2020-10-30-Anonymous-factor ECM small0.0 % 2020-10-302020-12-29
2020-04-07Knoxandfactor ECM small0.0 % 2020-04-082020-06-07
History
DateUserTypeResult
2020-03-04YxinityNFno factor from 2^66 to 2^67
2019-04-20alexNF-PM1B1=10000000, B2=400000000, E=12
2018-06-04chuenkitNFno factor from 2^65 to 2^66
2017-11-16BloodERazorNFno factor from 2^64 to 2^65
2016-02-23Mark RoseNFno factor from 2^60 to 2^61
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2015-11-06Sid & AndyNF-PM1B1=5756470, B2=172694100, E=12
2015-10-22Bruno VictalNF-PM1B1=1600000, B2=66000000, E=12
2015-09-18Gordon SpenceNFno factor from 2^63 to 2^64
2015-09-18Gordon SpenceNFno factor from 2^62 to 2^63
2015-07-12NRNFno factor from 2^61 to 2^62
2015-04-11MadPooC-LL3A341A7A9B035BB5
2013-10-08David CampeauNF-PM1B1=1225000, B2=34300000, E=12
2011-05-26Jocelyn LaroucheNF-PM1B1=1000000
2003-11-28-Anonymous-NFno factor to 2^58
2003-05-19-Anonymous-NF-PM1B1=131072, B2=13107200, E=12
2002-09-14-Anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-29-Anonymous-NF-PM1B1=32768, B2=3276800, E=12
2002-05-11-Anonymous-NF-PM1B1=50000, B2=1000000
2002-04-28-Anonymous-NF-PM1B1=16384, B2=1638400
2002-03-10-Anonymous-NF-PM1B1=8192, B2=819200
2002-01-22-Anonymous-NF-PM1B1=4096, B2=409600
2002-01-15-Anonymous-NFno factor to 2^57
2001-12-22-Anonymous-NF-PM1B1=2000, B2=200000
2001-04-08-Anonymous-NFno factor to 2^56
2000-04-05-Anonymous-NFno factor to 2^54