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
15318131No factors below 271
P-1
B1=360 000
B2=9 630 000
LL
StatusDateUserResidueShift
Verified2002-05-11Anton Rebhan133D732A0357C137918475
Verified2005-10-18Ars Technica Team Prime Rib133D732A0357C13712918015
History
DateUserTypeResult
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-07-09lycornNFno factor from 2^69 to 2^70
2019-01-29harleeNF-PM1B1=360000, B2=9630000, E=12
2018-02-10ramgeisNFno factor from 2^68 to 2^69
2018-02-10ramgeisNFno factor from 2^67 to 2^68
2014-04-21NesowaNFno factor from 2^66 to 2^67
2013-09-16David CampeauNFno factor from 2^65 to 2^66
2005-10-18Team Prime RibC-LL133D732A0357C137
2002-05-11-Anonymous-C-LL133D732A0357C137
2001-02-25-Anonymous-NFno factor to 2^65
2001-01-14Net_ForceNFno factor to 2^58
2001-01-08Net_ForceNFno factor to 2^57