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

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MnStatusDetails
26711Factored621751313066553887083597066693206407839
LL
StatusDateUserResidueShift
Verified (Factored)Unknown49500
Verified (Factored)George Woltman889BCA6078D3C9500
Verified (Factored)Brian J. Beesley889BCA6078D3C9500
Verified (Factored)2015-04-11MadPoo889BCA6078D3C9504654
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Unverified2020-04-17Oliver KruseF9F1F083D8F3E4__11725253
Verified (Factored)2017-10-12kkmrkkblmbrbkCA62C0F1263AEC9F12342113
Verified (Factored)2017-09-21Oliver KruseCA62C0F1263AEC9F1013
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2017-10-09Chang Chia-TchePRP test0.0 % 2017-10-092017-10-12
History
DateUserTypeResult
2020-04-17Oliver KruseC-PRPM26711/621751313066553887083597066693206407839 : F9F1F083D8F3E4__
2017-10-12kkmrkkblmbrbkC-PRPM26711/621751313066553887083597066693206407839 : CA62C0F1263AEC9F
2017-09-21Oliver KruseC-PRPM26711/621751313066553887083597066693206407839 : CA62C0F1263AEC9F
2017-09-21Oliver KruseC-PRPM26711/621751313066553887083597066693206407839 : CA62C0F1263AEC9F
2016-12-15kkmrkkblmbrbkNF-PM1B1=500000000, B2=10000000000, E=12
2016-09-14Sid & AndyNFno factor from 2^62 to 2^63
2016-09-01Anton RepkoF-ECMFactor: 621751313066553887083597066693206407839 / (ECM curve 100, B1=11000000, B2=30114149530)
2016-02-23LaurVNFno factor from 2^57 to 2^58
2015-04-11MadPooC-LL889BCA6078D3C950
2013-11-18David CampeauNF-PM1B1=761580000
2013-11-15David CampeauNF-PM1B1=609265000
2013-11-05David CampeauNF-PM1B1=456950000, B2=10250490000, E=12
2013-11-03David CampeauNF-PM1B1=456950000
2013-10-25David CampeauNF-PM1B1=304635000
2012-04-02bcp19NFno factor from 2^61 to 2^62
2012-04-02bcp19NFno factor from 2^60 to 2^61
2009-01-31Sturle SundeNFno factor from 2^59 to 2^60
2009-01-18Sturle SundeNFno factor from 2^58 to 2^59
2003-10-08-Anonymous-NF-PM1B1=16777216, B2=1677721600, E=12
2003-09-29-Anonymous-NF-PM1B1=8388608, B2=838860800, E=12
2003-07-13-Anonymous-NF-PM1B1=4194304, B2=419430400, E=12
2003-05-19-Anonymous-NF-PM1B1=2097152, B2=209715200, E=12
2003-04-27-Anonymous-NF-PM1B1=1048576, B2=104857600, E=48
2003-04-03-Anonymous-NF-PM1B1=524288, B2=52428800, E=48
2003-03-27-Anonymous-NF-PM1B1=262144, B2=26214400, E=30
2003-02-02-Anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-11-24-Anonymous-NFno factor to 2^57
2002-07-20-Anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-09-Anonymous-NF-PM1B1=32768, B2=3276800
2002-04-28-Anonymous-NF-PM1B1=16384, B2=1638400
2001-08-18Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-Anonymous-NF-PM1B1=100000, B2=10000000
2000-10-07-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor from 2^53 to 2^54
1999-10-21-Anonymous-NFno factor from 2^52 to 2^53