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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Exponent Range:
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MnStatusDetails
3450829No factors below 269
P-1
B1=500 000
B2=10 000 000
LL
StatusDateUserResidueShift
VerifiedCharlie Dorian80B9619B334FAB070
VerifiedJan Braconnier80B9619B334FAB070
Verified1999-07-12Brian Doherty80B9619B334FAB07284323
History
DateUserTypeResult
2021-01-05axnNFno factor from 2^68 to 2^69
2019-02-18TJAOINFno factor from 2^67 to 2^68
2017-02-08Gordon SpenceNFno factor from 2^66 to 2^67
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2015-04-16Gordon SpenceNFno factor from 2^65 to 2^66
2015-02-07VictordeHollanderNFno factor from 2^64 to 2^65
2015-02-07VictordeHollanderNFno factor from 2^63 to 2^64
2014-09-20HBendtzNF-PM1B1=500000, B2=10000000, E=12
2014-08-21Jocelyn LaroucheNF-PM1B1=78600
2012-08-18GrunwalderGIMPNFno factor from 2^1 to 2^63
2011-11-05harleeNF-PM1B1=60000, B2=945000, E=6
2011-07-31markrNFno factor to 2^62
2009-08-15Carsten KossendeyNF-PM1B1=20000, B2=235000
2009-03-22S485122NFno factor from 2^60 to 2^61
1999-07-12-Anonymous-C-LL80B9619B334FAB07