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
15557777No factors below 272
P-1
B1=1 500 000
B2=30 000 000
LL
StatusDateUserResidueShift
Verified2003-01-09Mistel05A390137B3D258915225245
Verified2004-03-26Ars Technica Team Prime Rib05A390137B3D25892939151
History
DateUserTypeResult
2021-09-18-Anonymous-NFno factor from 2^71 to 2^72
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-06-06lycornNFno factor from 2^69 to 2^70
2020-12-30ThaNF-PM1B1=1500000, B2=30000000, E=12
2018-03-23ramgeisNFno factor from 2^68 to 2^69
2018-03-23ramgeisNFno factor from 2^67 to 2^68
2013-12-28NesowaNFno factor from 2^66 to 2^67
2013-09-09David CampeauNFno factor from 2^65 to 2^66
2004-03-26Team Prime RibC-LL05A390137B3D2589
2003-01-09-Anonymous-C-LL05A390137B3D2589
2002-08-17-Anonymous-NF-PM1B1=160000, B2=1200000
2001-03-18-Anonymous-NFno factor to 2^65
2001-02-18Net_ForceNFno factor to 2^59
2001-01-21Net_ForceNFno factor to 2^58