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
87000929TF
No factors below 277
TF target 275
P-1
B1 = 1100000
B2 = 287971530
ECM
DigitsB1Curves
255000078 / 280
Estimated T-Level: 21.4 ⓘ
PRP
StatusDateUserResidueShiftTypeBase
Unverified2018-12-27Mihai PredaE7EA7DBFDB0C4F__043
Verified2019-11-30ATH935122CC899A9BAD013
Verified2020-06-28Kriesel935122CC899A9BAD5054345213
History
DateUserTypeResult
2024-01-10KrieselNF-PP1
Start=133/17, B1=1100000, B2=200000000
2024-01-05KrieselNF-PP1
Start=6/5, B1=1100000, B2=200000000
2023-12-02KrieselNF-PP1
Start=2/7, B1=1100000, B2=200000000
2023-11-27KrieselNF-PM1
B1=1100000, B2=287971530
2020-09-03mikrNF
no factor from 2^76 to 2^77
2020-06-28KrieselC-PRP
935122CC899A9BAD
PRP: Verified
PRP without proof (not generated)
2020-06-22KrieselNF-PM1
B1=320000, B2=5360000, E=6
2019-11-30ATHC-PRP
935122CC899A9BAD
PRP: Verified
PRP without proof (not generated)
2018-12-27Mihai PredaC-PRP
E7EA7DBFDB0C4F__
PRP: Verified
PRP without proof (not generated)
2017-04-14Mark RoseNF
no factor from 2^75 to 2^76
2017-04-14Mark RoseNF
no factor from 2^74 to 2^75
2017-04-14Mark RoseNF
no factor from 2^73 to 2^74
2017-04-14Mark RoseNF
no factor from 2^72 to 2^73
2017-04-14Mark RoseNF
no factor from 2^71 to 2^72
2014-08-05timbitNF-PM1
B1=990000, B2=29700000, E=6
2013-06-24frmarNF
no factor from 2^70 to 2^71
2013-03-24Chang Chia-TcheNF
no factor from 2^69 to 2^70
2013-03-22gregorNF
no factor from 2^68 to 2^69
2013-03-17theunionNF
no factor from 2^67 to 2^68
2013-03-08Freaks32NF
no factor from 2^66 to 2^67
2012-03-14SpecOpUsNF
no factor from 2^65 to 2^66
2010-11-14Architects CubedNF
no factor from 2^64 to 2^65