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
90000049TF
No factors below 277
TF target 275
P-1
B1 = 3000000
B2 = 80000000
ECM
DigitsB1Curves
255000083 / 280
Estimated T-Level: 21.5
LL
StatusDateUserResidueShift
Verified2014-02-07electron1897C58473251878A6E7215096
Verified2023-09-23Gwang AnC58473251878A6E70
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-03-03KrieselCDF413B01FAAC939013
History
DateUserTypeResult
2024-03-17KrieselNF-PP1
Start=92/23, B1=1200000, B2=200000000
2024-03-10KrieselNF-PP1
Start=6/5, B1=1200000, B2=200000000
2024-03-03KrieselNF-PP1
Start=2/7, B1=1200000, B2=200000000
2023-09-23Gwang AnC-LL
C58473251878A6E7
2022-09-29LordJuliusNF
no factor from 2^71 to 2^72
2022-09-29LordJuliusNF
no factor from 2^70 to 2^71
2022-09-29LordJuliusNF
no factor from 2^69 to 2^70
2022-09-29LordJuliusNF
no factor from 2^68 to 2^69
2022-09-29LordJuliusNF
no factor from 2^67 to 2^68
2022-09-29LordJuliusNF
no factor from 2^1 to 2^67
2021-03-03rucioCERT
PRP Certification
CERT proof power = 8
Proof certified good
2021-03-03KrieselC-PRP
CDF413B01FAAC939
PRP proof power = 8
PRP: Verified
Proof certified good
2020-08-17mikrNF-PM1
B1=3000000, B2=80000000, E=12
2019-04-11monstNF
no factor from 2^76 to 2^77
2016-01-20Carsten KossendeyNF
no factor from 2^72 to 2^76
2014-02-07electron1897C-LL
C58473251878A6E7
2011-07-02firejugglerNF
no factor from 2^71 to 2^72
2010-01-27Carsten KossendeyNF-PM1
B1=1000000, B2=25000000
2009-06-23Carsten KossendeyNF
no factor from 2^70 to 2^71
2009-05-21unconnectedNF
no factor from 2^69 to 2^70
2009-05-20unconnectedNF
no factor from 2^68 to 2^69
2009-05-20unconnectedNF
no factor from 2^67 to 2^68
2008-12-22Carsten KossendeyNF
no factor from 2^66 to 2^67