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:










MnStatusDetails
72541207TF
No factors below 275
TF target 274
P-1
B1 = 605000
B2 = 11948750
LL
StatusDateUserResidueShift
Unverified2015-10-05Alexander Tsupko2640F8525474DE__13051183
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-27kirklandLL double-check0.00 % 2024-03-27
History
DateUserTypeResult
2015-10-05Alexander TsupkoC-LL
2640F8525474DE__
2015-08-01NesowaNF-PM1
B1=605000, B2=11948750, E=12
2015-07-26TheJudgerNF
no factor from 2^74 to 2^75
2015-07-26TheJudgerNF
no factor from 2^73 to 2^74
2015-07-26TheJudgerNF
no factor from 2^72 to 2^73
2013-12-27ahmeraliNF
no factor to 2^72
2012-10-05SMoffatNF
no factor from 2^69 to 2^70
2010-08-06seekuaNF
no factor from 2^68 to 2^69
2010-07-29Los Alcoholicos~XaveriusNF
no factor from 2^67 to 2^68
2010-07-27Los Alcoholicos~XaveriusNF
no factor from 2^66 to 2^67
2010-07-20Aare VesiNF
no factor from 2^65 to 2^66
2010-07-20{WC}PistolPeteNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64