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
16553No factors below 265
P-1
B1=100 000 000 000
B2=5 000 000 000 000
LL
StatusDateUserResidueShift
VerifiedUnknown6AAA0
VerifiedGeorge Woltman5396FD0D8AFC6AAA0
VerifiedBrian J. Beesley5396FD0D8AFC6AAA0
Verified2015-04-11MadPoo5396FD0D8AFC6AAA6569
History
DateUserTypeResult
2021-05-10ATHNF-PP1Start=2/7, B1=1000000000, B2=241000000000
2021-02-11Ruslan BorisovNFno factor from 2^64 to 2^65
2018-10-30snme2pm1NFno factor from 2^63 to 2^64
2016-09-16BloodIceNF-PM1B1=100000000000, B2=5000000000000, E=12
2016-09-07BloodIceNF-PM1B1=100000000000
2016-08-23BloodIceNF-PM1B1=50000000000
2016-06-19Sid & AndyNFno factor from 2^62 to 2^63
2016-06-08Sid & AndyNFno factor from 2^62 to 2^63
2016-05-03Jocelyn LaroucheNF-PM1B1=992344772, B2=49617238600, E=12
2016-02-23LaurVNFno factor from 2^57 to 2^58
2016-02-23LaurVNFno factor from 2^58 to 2^59
2016-02-23LaurVNFno factor from 2^59 to 2^60
2015-08-28snme2pm1NFno factor from 2^61 to 2^62
2015-04-11MadPooC-LL5396FD0D8AFC6AAA
2012-12-25bcp19NFno factor from 2^60 to 2^61
2012-10-12Jocelyn LaroucheNF-PM1B1=496172386, B2=49617238600, E=12
2010-03-17GrunwalderGIMPNFno factor from 2^1 to 2^60
2003-09-29-Anonymous-NF-PM1B1=8388608, B2=838860800, E=12
2003-09-29-Anonymous-NF-PM1B1=16777216, B2=1677721600, E=12
2003-07-06-Anonymous-NF-PM1B1=4194304, B2=419430400, E=12
2003-05-19-Anonymous-NF-PM1B1=2097152, B2=209715200, E=12
2003-04-27-Anonymous-NF-PM1B1=1048576, B2=104857600, E=48
2003-04-03-Anonymous-NF-PM1B1=524288, B2=52428800, E=48
2003-03-27-Anonymous-NF-PM1B1=262144, B2=26214400, E=30
2003-02-02-Anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-10-12-Anonymous-NFno factor to 2^57
2002-07-14-Anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-09-Anonymous-NF-PM1B1=32768, B2=3276800
2002-04-28-Anonymous-NF-PM1B1=16384, B2=1638400
2001-07-29Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-Anonymous-NF-PM1B1=100000, B2=10000000
2000-09-23-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor from 2^53 to 2^54
1999-09-22-Anonymous-NFno factor from 2^52 to 2^53