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
44682527No factors below 275
P-1
B1=800 000
B2=21 000 000
LL
StatusDateUserResidueShift
Bad2011-12-11Christian Geschwentner83D8A4A3F798BD9C38884175
Verified2018-04-13riccardo ubertiFDC5E92D62148ABD43945505
Verified2018-05-14ATHFDC5E92D62148ABD22343415
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2017-01-21-Anonymous-LL double-checkLL0.0 % 2017-01-262017-03-07
2016-10-28-Anonymous-LL double-check0.0 % 2016-10-282016-12-07
2016-06-15-Anonymous-LL double-check0.0 % 2016-06-262016-08-05
2016-05-05-Anonymous-LL double-check0.0 % 2016-05-052016-06-14
2016-03-16-Anonymous-LL double-checkLL3.8 % 2016-03-252016-05-04
2016-01-22-Anonymous-LL double-check0.0 % 2016-01-222016-03-02
History
DateUserTypeResult
2020-11-27Sid & AndyNFno factor from 2^74 to 2^75
2019-12-20-Anonymous-NFno factor from 2^73 to 2^74
2018-05-14ATHC-LLFDC5E92D62148ABD
2018-04-13riccardo ubertiC-LLFDC5E92D62148ABD
2018-04-01riccardo ubertiNF-PM1B1=800000, B2=21000000, E=12
2018-03-07Andrew BNFno factor from 2^72 to 2^73
2015-10-10-Anonymous-NFno factor from 2^71 to 2^72
2015-09-20mognutsNFno factor from 2^70 to 2^71
2011-12-11Christian GeschwentnerC-LL83D8A4A3F798BD9C
2011-10-28Christian GeschwentnerNFno factor from 2^69 to 2^70
2011-10-28Christian GeschwentnerNFno factor from 2^68 to 2^69
2011-07-09Mr. P-1NF-PM1B1=535000, B2=13642500
2007-12-03ITSNFno factor to 2^68