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
18553No factors below 265
P-1
B1=34 612 878 619
B2=2 630 578 775 044
LL
StatusDateUserResidueShift
VerifiedUnknown55CE0
VerifiedGeorge Woltman8CEDDDDF5F9755CE0
VerifiedBrian J. Beesley8CEDDDDF5F9755CE0
Verified2015-04-11MadPoo8CEDDDDF5F9755CE13170
History
DateUserTypeResult
2021-05-12ATHNF-PP1Start=2/7, B1=1000000000, B2=241000000000
2021-02-19Ruslan BorisovNFno factor from 2^64 to 2^65
2018-10-16James HintzNF-PM1B1=34612878619, B2=2630578775044, E=12
2018-07-08snme2pm1NFno factor from 2^63 to 2^64
2016-12-24James HintzNF-PM1B1=1831776313, B2=113570131406, E=12
2016-08-03Sid & AndyNFno factor from 2^62 to 2^63
2016-02-23LaurVNFno factor from 2^57 to 2^58
2015-09-10snme2pm1NFno factor from 2^61 to 2^62
2015-04-11MadPooC-LL8CEDDDDF5F9755CE
2015-03-22JayderNF-PM1B1=1172220000, B2=35360118869, E=12
2013-11-17David CampeauNF-PM1B1=1172220000
2013-11-13David CampeauNF-PM1B1=937775000
2013-10-29David CampeauNF-PM1B1=703330000
2013-10-22David CampeauNF-PM1B1=468885000
2013-10-17David CampeauNF-PM1B1=234445000
2012-12-25bcp19NFno factor from 2^60 to 2^61
2010-06-14chalsallNFno factor from 2^59 to 2^60
2010-06-14chalsallNFno factor from 2^58 to 2^59
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
2002-10-19-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
2000-09-29-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor from 2^53 to 2^54
1999-10-15-Anonymous-NFno factor from 2^52 to 2^53