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
44436443No factors below 273
P-1
B1=800 000
B2=21 000 000
LL
StatusDateUserResidueShift
Bad2012-01-13Christian Geschwentner6DE0E9F066E74D9F7726157
Verified2018-04-09riccardo uberti870B01BD4081B2F641208680
Verified2018-05-13ATH870B01BD4081B2F63446
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2017-01-19-Anonymous-LL double-check0.0 % 2017-01-192017-02-28
2016-11-03-Anonymous-LL double-check0.0 % 2016-11-032016-12-13
2016-01-21-Anonymous-LL double-checkLL20.9 % 2016-07-262016-09-04
History
DateUserTypeResult
2018-05-13ATHC-LL870B01BD4081B2F6
2018-04-09riccardo ubertiC-LL870B01BD4081B2F6
2018-04-01riccardo ubertiNF-PM1B1=800000, B2=21000000, E=12
2018-03-25Matthias WurtingerNFno factor from 2^72 to 2^73
2015-10-02-Anonymous-NFno factor from 2^71 to 2^72
2015-10-02-Anonymous-NFno factor from 2^70 to 2^71
2012-01-13Christian GeschwentnerC-LL6DE0E9F066E74D9F
2011-10-28Christian GeschwentnerNFno factor from 2^69 to 2^70
2011-10-28Christian GeschwentnerNFno factor from 2^68 to 2^69
2009-10-09-Anonymous-NF-PM1B1=750000
2007-12-03SyntonyNFno factor to 2^68
2006-06-13dave_0273NFno factor to 2^62