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
54420449No factors below 276
P-1
B1=1 000 000
B2=25 000 000
LL
StatusDateUserResidueShift
Bad2013-04-08Stephan Grupp86687AAA5DDA68F046837104
Verified2020-05-29Christoph ZengerB6FE72BCE3E17AD732282187
Verified2020-06-05Team_InspectorB6FE72BCE3E17AD74893605
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-03-11-Anonymous-LL double-check0.0 % 2020-03-112020-04-20
2020-01-07-Anonymous-LL double-checkLL0.0 % 2020-01-072020-02-16
2019-10-04-Anonymous-LL double-checkLL1.5 % 2019-10-052019-11-14
2019-07-26-Anonymous-LL double-check0.0 % 2019-07-262019-09-04
2019-03-28-Anonymous-LL double-checkLL0.0 % 2019-03-282019-05-07
2019-01-15-Anonymous-LL double-checkLL0.0 % 2020-08-282019-02-24
2018-11-06-Anonymous-LL double-check0.0 % 2018-11-062018-12-16
History
DateUserTypeResult
2020-06-05Team_InspectorC-LLB6FE72BCE3E17AD7
2020-05-29Christoph ZengerC-LLB6FE72BCE3E17AD7
2020-05-23Christoph ZengerNF-PM1B1=1000000, B2=25000000, E=12
2020-05-23Christoph ZengerNFno factor from 2^75 to 2^76
2020-05-22Christoph ZengerNFno factor from 2^74 to 2^75
2019-07-26ChuckNFno factor from 2^73 to 2^74
2016-02-10Judge HaleNFno factor from 2^72 to 2^73
2013-04-08Stephan GruppC-LL86687AAA5DDA68F0
2012-08-11AxelssonNFno factor from 2^71 to 2^72
2012-01-17josiboNF-PM1B1=565000, B2=11582500
2011-08-01David CampeauNFno factor from 2^70 to 2^71
2011-06-01Charles SpaltonNFno factor from 2^69 to 2^70
2011-03-29Sebastian HornbostelNFno factor from 2^68 to 2^69
2009-07-10-Anonymous-NFno factor from 2^67 to 2^68
2009-03-02borkencodeNFno factor from 2^66 to 2^67
2009-02-28arnaudNFno factor from 2^65 to 2^66
2009-02-25riskinNFno factor from 2^64 to 2^65
2008-12-081997rj7NFno factor to 2^64
2008-06-30CorbyguyNFno factor from 2^62 to 2^63
2004-02-23oerwinNFno factor to 2^62
2002-09-07-Anonymous-NFno factor to 2^58
2001-08-31-Anonymous-NFno factor to 2^57
2000-05-31-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-12-Anonymous-NFno factor to 2^53
1999-12-08-Anonymous-NFno factor to 2^53