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
3493703No factors below 269
P-1
B1=15 000 000
B2=750 000 000
LL
StatusDateUserResidueShift
VerifiedAndree Reno Mariotti201C2B07749ADE660
Verified1999-07-27Ron Lavallee201C2B07749ADE662715136
History
DateUserTypeResult
2021-04-10axnNF-PM1B1=15000000, B2=750000000
2021-01-13axnNFno factor from 2^68 to 2^69
2018-08-06TJAOINFno factor from 2^67 to 2^68
2017-02-20Gordon SpenceNFno factor from 2^66 to 2^67
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2016-01-06ramgeisNFno 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
2014-09-05HBendtzNF-PM1B1=615000, B2=12000000, e=12
2014-08-21Jocelyn LaroucheNF-PM1B1=78371
2012-08-18GrunwalderGIMPNFno factor from 2^1 to 2^63
2011-11-17harleeNF-PM1B1=60000, B2=990000, E=6
2011-07-17markrNFno factor to 2^62
2009-07-08Carsten KossendeyNF-PM1B1=20000, B2=240000
2009-03-18S485122NFno factor from 2^60 to 2^61
1999-07-27RonLavalleeC-LL201C2B07749ADE66
1998-02-08-Anonymous-NFno factor to 2^60