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
41709623No factors below 276
P-1
B1=485 000
B2=9 215 000
LL
StatusDateUserResidueShift
Bad2008-06-22S785165760E67EB17D6F95B883733
Verified2016-08-03rudimeier0B7863B826E40DDE38336747
Verified2016-08-11ATH0B7863B826E40DDE20858688
Verified2016-10-06-Anonymous-0B7863B826E40DDE3975082
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-02-22-Anonymous-LL double-check0.0 % 2016-02-222016-04-02
2016-01-12-Anonymous-LL double-check0.0 % 2016-01-122016-02-21
2015-11-30-Anonymous-LL double-checkLL0.0 % 2015-12-022016-01-11
2015-10-18-Anonymous-LL double-checkLL0.0 % 2015-10-202015-11-29
History
DateUserTypeResult
2021-02-13-Anonymous-NFno factor from 2^75 to 2^76
2021-02-08-Anonymous-NFno factor from 2^74 to 2^75
2019-12-28-Anonymous-NFno factor from 2^73 to 2^74
2019-10-05-Anonymous-NFno factor from 2^72 to 2^73
2016-10-06-Anonymous-C-LL0B7863B826E40DDE
2016-08-11ATHC-LL0B7863B826E40DDE
2016-08-03rudimeierC-LL0B7863B826E40DDE
2015-08-24GregNFno factor from 2^71 to 2^72
2015-01-19ChuckNFno factor from 2^70 to 2^71
2015-01-05LaurVNFno factor from 2^69 to 2^70
2014-02-20LaurVNFno factor from 2^68 to 2^69
2008-06-22-Anonymous-C-LL760E67EB17D6F95B
2008-03-11-Anonymous-NF-PM1B1=485000, B2=9215000
2007-04-07-Anonymous-NFno factor to 2^68