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
44724431No factors below 274
P-1
B1=1 000 000
B2=60 000 000
LL
StatusDateUserResidueShift
Bad2009-09-26sunithaya2CB7675006F38B4934093398
Verified2009-10-31curtisc3258804ED3D6630710130280
Verified2016-09-21Mark Rose3258804ED3D6630713296920
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-07-26-Anonymous-LL double-check0.0 % 2016-07-262016-09-04
2016-06-15-Anonymous-LL double-check0.0 % 2016-06-152016-07-25
2016-05-05-Anonymous-LL double-check0.0 % 2016-05-052016-06-14
2016-03-17-Anonymous-LL double-check0.0 % 2016-03-172016-04-26
2016-01-22-Anonymous-LL double-checkLL0.0 % 2016-01-272016-03-07
History
DateUserTypeResult
2019-11-18Sid & AndyNFno factor from 2^73 to 2^74
2018-08-07-Anonymous-NFno factor from 2^72 to 2^73
2018-02-04Oliver KruseNF-PM1B1=1000000, B2=60000000, E=12
2016-09-21Mark RoseC-LL3258804ED3D66307
2015-08-09GregNFno factor from 2^70 to 2^72
2015-07-30Carsten KossendeyNFno factor from 2^69 to 2^70
2014-07-06VictordeHollanderNFno factor from 2^68 to 2^69
2009-10-31curtiscC-LL3258804ED3D66307
2009-09-26sunithayaC-LL2CB7675006F38B49
2009-07-05sunithayaNF-PM1B1=540000, B2=15525000, E=6
2007-11-17ITSNFno factor to 2^68