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
102515801Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 468000
B2 = 73323600
LL
StatusDateUserResidueShift
Unverified2021-01-13brode-runner44A135C51001DE__72433342
History
DateUserTypeResult
2022-12-23Mark RoseNF-PM1
B1=468000, B2=73323600
2021-01-13brode-runnerC-LL
44A135C51001DE__
2020-06-30Architects CubedNF
no factor from 2^76 to 2^77
2020-06-25Architects CubedNF
no factor from 2^75 to 2^76
2020-05-29Architects CubedNF
no factor from 2^74 to 2^75
2020-04-02Architects CubedNF
no factor from 2^73 to 2^74
2020-02-24Architects CubedNF
no factor from 2^72 to 2^73
2020-01-28-Anonymous-NF-PM1
B1=1530000
2014-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2014-10-08Smok_bmv NF
no factor from 2^70 to 2^71
2014-07-12ITSNF
no factor from 2^69 to 2^70
2014-07-06MadPooNF
no factor from 2^68 to 2^69
2014-07-02PascalBieriNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-23sasaki3NF
no factor from 2^65 to 2^66
2010-08-19sannerud.comNF
no factor from 2^64 to 2^65
2010-04-261997rj7NF
no factor from 2^63 to 2^64