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
2813309No factors below 269
P-1
B1=5 000 000
B2=200 000 000
LL
StatusDateUserResidueShift
VerifiedJoseph CharrierFA5A08745D2BA9730
Verified1999-06-06~T. Velocity~FA5A08745D2BA9732321602
Verified2018-09-04kkmrkkblmbrbkFA5A08745D2BA9731629534
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-03-13mnd9factor ECM small0.0 % 2021-03-132021-05-12
History
DateUserTypeResult
2021-05-31TJAOINFno factor from 2^68 to 2^69
2020-01-11masserNF-PM1B1=5000000, B2=200000000, E=12
2019-09-28masserNF-PM1B1=2813309, B2=28133090, E=12
2018-12-30chuenkitNFno factor from 2^67 to 2^68
2018-09-04kkmrkkblmbrbkC-LLFA5A08745D2BA973
2017-10-24Gordon SpenceNFno factor from 2^66 to 2^67
2017-07-30Jocelyn LaroucheNF-PM1B1=400000, B2=4000000, E=6
2016-05-11Jocelyn LaroucheNF-PM1B1=200000, B2=3600000, E=6
2016-02-23Mark RoseNFno factor from 2^1 to 2^60
2016-02-11ramgeisNFno factor from 2^65 to 2^66
2015-04-21VictordeHollanderNFno factor from 2^64 to 2^65
2015-04-21VictordeHollanderNFno factor from 2^63 to 2^64
2013-01-14dbaughNFno factor from 2^62 to 2^63
2012-02-29Grant McCrackenNFno factor from 2^61 to 2^62
2010-11-17markrNF-PM1B1=100000, B2=2100000, E=6
2010-11-12Jocelyn LaroucheNF-PM1B1=15000
2009-02-14Sturle SundeNFno factor from 2^60 to 2^61
2003-11-28-Anonymous-NF-PM1B1=2048, B2=204800
1999-06-06-Anonymous-C-LLFA5A08745D2BA973