Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2062169No factors below 268
P-1
B1=2 500 000
B2=125 000 000
LL
StatusDateUserResidueShift
VerifiedKeith Baker15CAFCFB2B6DCAC60
Verified1999-01-29David Larson15CAFCFB2B6DCAC6795875
Verified2016-08-31Mark Rose15CAFCFB2B6DCAC646713
History
DateUserTypeResult
2019-03-25chuenkitNFno factor from 2^67 to 2^68
2017-02-22mikrNF-PM1B1=2500000, B2=125000000, E=12
2016-11-06Jocelyn LaroucheNF-PM1B1=315768
2016-11-04Jocelyn LaroucheNF-PM1B1=263140
2016-11-03Jocelyn LaroucheNF-PM1B1=219284
2016-09-28Jocelyn LaroucheNF-PM1B1=182737, B2=13932000, E=12
2016-08-31Mark RoseC-LL15CAFCFB2B6DCAC6
2016-08-29Gordon SpenceNFno factor from 2^66 to 2^67
2016-06-25Jocelyn LaroucheNF-PM1B1=182737, B2=5805000, E=12
2016-02-23Mark RoseNFno factor from 2^58 to 2^60
2015-11-03ramgeisNFno factor from 2^65 to 2^66
2015-03-28VictordeHollanderNFno factor from 2^64 to 2^65
2015-03-28VictordeHollanderNFno factor from 2^63 to 2^64
2014-10-28Jocelyn LaroucheNF-PM1B1=166125
2013-09-01ramgeisNFno factor from 2^62 to 2^63
2012-03-13Sebastian HornbostelNFno factor from 2^61 to 2^62
2011-01-21James HeinrichNF-PM1B1=135000, B2=2902500, E=6
2011-01-06Jocelyn LaroucheNF-PM1B1=50000
2010-12-26Jocelyn LaroucheNF-PM1B1=30000
2009-06-21harleeNF-PM1B1=20000, B2=260000
2009-01-03Sturle SundeNFno factor from 2^60 to 2^61
2003-02-24-Anonymous-NF-PM1B1=2048, B2=204800, E=12
1999-01-29-Anonymous-C-LL15CAFCFB2B6DCAC6
1999-01-10-Anonymous-NFno factor to 2^58