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
61761247TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 11846250
LL
StatusDateUserResidueShift
Verified2014-01-06Normuns und die Gruppe Frohsinn 81AAAB2018BB13E549654702
Verified2021-12-17Sergey Nosov81AAAB2018BB13E560865635
History
DateUserTypeResult
2021-12-17Sergey NosovC-LL
81AAAB2018BB13E5
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23AirSquirrelsNF
no factor from 2^73 to 2^74
2014-01-06Normuns und die Gruppe Frohsinn C-LL
81AAAB2018BB13E5
2013-05-20TheJudgerNF-PM1
B1=585000, B2=11846250, E=6
2013-02-24TheJudgerNF
no factor from 2^72 to 2^73
2013-02-11Luigi MorelliNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2012-04-28XyzzyNF
no factor from 2^69 to 2^70
2009-08-20Andrey KurgannikovNF
no factor from 2^68 to 2^69
2009-03-02nudelpupsNF
no factor from 2^67 to 2^68
2009-02-25nudelpupsNF
no factor from 2^66 to 2^67
2009-02-22nudelpupsNF
no factor from 2^65 to 2^66
2009-02-17nudelpupsNF
no factor from 2^64 to 2^65
2009-02-08Sturle SundeNF
no factor from 2^63 to 2^64