Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
85274867Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
LL
StatusDateUserResidueShift
Unverified2018-05-29Evgeniy Zavialov232650FE7B475C__48743381
History
DateUserTypeResult
2024-07-20Jarod McClintockNF
no factor from 2^71 to 2^74
2018-05-29Evgeniy ZavialovC-LL
232650FE7B475C__
2018-01-06Oliver KruseNF-PM1
B1=685000, B2=13528750, E=12
2017-08-26-Anonymous-NF
no factor from 2^75 to 2^76
2017-08-26-Anonymous-NF
no factor from 2^74 to 2^75
2017-03-04-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-04-Anonymous-NF
no factor from 2^71 to 2^72
2014-03-06ANONYMOUSNF
no factor from 2^70 to 2^71
2013-08-30RobishNF
no factor from 2^69 to 2^70
2013-08-27RobishNF
no factor from 2^68 to 2^69
2013-08-16RobishNF
no factor from 2^67 to 2^68
2013-08-15RobishNF
no factor from 2^66 to 2^67
2013-04-29c10ck3rNF
no factor from 2^65 to 2^66
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65