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
15316559No factors below 271
P-1
B1=1 500 000
B2=30 000 000
LL
StatusDateUserResidueShift
Verified2005-11-27Mikael StedtFD1FFFC80E0C9ED8340038
Verified2006-10-01Ars Technica Team Prime RibFD1FFFC80E0C9ED812657264
History
DateUserTypeResult
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-07-08lycornNFno factor from 2^69 to 2^70
2020-11-27ThaNF-PM1B1=1500000, B2=30000000, E=12
2018-03-09ramgeisNFno factor from 2^68 to 2^69
2018-03-09ramgeisNFno factor from 2^67 to 2^68
2016-03-16Mark RoseNFno factor from 2^65 to 2^66
2014-04-21NesowaNFno factor from 2^66 to 2^67
2006-10-01Team Prime RibC-LLFD1FFFC80E0C9ED8
2005-11-27-Anonymous-NF-PM1B1=160000, B2=1480000
2005-11-27-Anonymous-C-LLFD1FFFC80E0C9ED8
2002-07-06-Anonymous-C-LLFD1FFFC80E0C9ED8
2002-06-23-Anonymous-NF-PM1B1=160000, B2=1480000
2001-05-13-Anonymous-NFno factor to 2^65
2001-01-14Net_ForceNFno factor to 2^58
2001-01-08Net_ForceNFno factor to 2^57