Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
104256049Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 650000
B2 = 24000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-06-10Ben Delo265C72FE0084A2494748266313
History
DateUserTypeResult
2021-06-10George WoltmanCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-06-10HaiyungCERT
PRP Certification
CERT proof power = 8
Certification bad
2021-06-10Ben DeloC-PRP
265C72FE0084A249
PRP proof power = 8
PRP: Verified
Certification bad
Proof certified good
2021-06-02KrieselNF-PM1
B1=650000, B2=24000000
2021-02-04TheJudgerNF
no factor from 2^75 to 2^76
2021-02-04TheJudgerNF
no factor from 2^74 to 2^75
2020-04-14Hans LoeblichNF
no factor from 2^73 to 2^74
2020-04-09tscNF
no factor from 2^72 to 2^73
2015-01-18workerthreadNF
no factor from 2^71 to 2^72
2014-07-20PascalBieriNF
no factor from 2^70 to 2^71
2014-07-16Preben SNF
no factor from 2^69 to 2^70
2014-05-10]mh[ VirtekNF
no factor from 2^68 to 2^69
2013-09-04GrunwalderGIMPNF
no factor from 2^67 to 2^68
2013-09-03-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-12omiXorpNF
no factor from 2^65 to 2^66
2010-08-26sasaki3NF
no factor from 2^64 to 2^65
2010-04-18UngelovendeNF
no factor from 2^63 to 2^64