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
40325119No factors below 275
P-1
B1=690 000
B2=19 500 000
LL
StatusDateUserResidueShift
Bad2008-03-05C. Cooper / S. Boone603B2545509FB5F67338641
Verified2016-06-06kkmrkkblmbrbk98D3A2F8A9F960CC4505984
Verified2016-07-16riccardo uberti98D3A2F8A9F960CC22502035
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-04-15-Anonymous-LL double-checkLL0.0 % 2016-04-152016-05-25
2016-02-25SandmanLL double-checkLL1.5 % 2016-03-052016-04-14
2016-01-15-Anonymous-LL double-check0.0 % 2016-01-152016-02-24
2015-11-30ANONYMOUSLL double-checkLL9.7 % 2018-09-052016-01-14
2015-10-20-Anonymous-LL double-check0.0 % 2015-10-202015-11-29
2015-09-09-Anonymous-LL double-check0.0 % 2015-09-092015-10-19
2015-07-30-Anonymous-LL double-check0.0 % 2015-07-302015-09-08
2015-06-19-Anonymous-LL double-check0.0 % 2015-06-192015-07-29
2015-05-09-Anonymous-LL double-check0.0 % 2015-05-092015-06-18
History
DateUserTypeResult
2020-10-20Sid & AndyNFno factor from 2^74 to 2^75
2020-01-11Sid & AndyNFno factor from 2^73 to 2^74
2019-10-04-Anonymous-NFno factor from 2^72 to 2^73
2016-07-16riccardo ubertiC-LL98D3A2F8A9F960CC
2016-06-12riccardo ubertiNF-PM1B1=690000, B2=19500000, E=6
2016-06-06kkmrkkblmbrbkC-LL98D3A2F8A9F960CC
2015-04-04NoPolarBearsHereNFno factor from 2^71 to 2^72
2015-01-02ixfd64NFno factor from 2^69 to 2^71
2012-10-08Carsten KossendeyNFno factor from 2^68 to 2^69
2008-03-03curtiscC-LL603B2545509FB5F6
2007-12-31curtiscNF-PM1B1=390000, B2=2047500
2007-12-31curtiscNFno factor to 2^68
2007-01-16Lord JuliusNFno factor to 2^68