Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
15541483No factors below 272
P-1
B1=300 000
B2=6 000 000
LL
StatusDateUserResidueShift
Verified2002-10-26Faculty of Mech and Math,MSUE79FD8C76445495115110620
Verified2005-11-13Shane SanfordE79FD8C7644549511779413
History
DateUserTypeResult
2021-09-16-Anonymous-NFno factor from 2^71 to 2^72
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-06-04lycornNFno factor from 2^69 to 2^70
2018-03-02ramgeisNFno factor from 2^68 to 2^69
2018-03-02ramgeisNFno factor from 2^67 to 2^68
2016-05-18ThaNF-PM1B1=300000, B2=6000000, E=12
2013-12-28NesowaNFno factor from 2^66 to 2^67
2013-09-09David CampeauNFno factor from 2^65 to 2^66
2005-11-13shaneamyC-LLE79FD8C764454951
2002-10-26Smok_bmv C-LLE79FD8C764454951
2002-04-28Smok_bmv NF-PM1B1=235000, B2=235000
2001-04-01-Anonymous-NFno factor to 2^65
2001-02-18Net_ForceNFno factor to 2^59
2001-01-21Net_ForceNFno factor to 2^58