Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
100010033Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 1500000
B2 = 210532140
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2019-10-08mrh8156EFA6F8ECB2__013
History
DateUserTypeResult
2025-06-18JurzalNF
no factor from 2^76 to 2^77
2024-06-21Naegi MakotoNF-PM1
B1=1500000, B2=210532140
2022-03-19LordJuliusNF
no factor from 2^1 to 2^64
2022-03-18Lisander ViaeneNF
no factor from 2^1 to 2^64
2019-10-08mrhC-PRP
8156EFA6F8ECB2__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2019-07-14Maciej KmieciakNF-PM1
B1=835000, B2=16700000, E=6
2018-08-25ATHNF
no factor from 2^75 to 2^76
2017-08-14Gordon BowerNF
no factor from 2^74 to 2^75
2017-08-14Gordon BowerNF
no factor from 2^73 to 2^74
2017-08-14Gordon BowerNF
no factor from 2^72 to 2^73
2014-12-31webbertNF
no factor from 2^71 to 2^72
2011-01-05Craig MeyersNF
no factor from 2^70 to 2^71
2011-01-01Craig MeyersNF
no factor from 2^69 to 2^70
2011-01-01Craig MeyersNF
no factor from 2^66 to 2^67
2010-12-29Craig MeyersNF
no factor from 2^68 to 2^69
2010-12-28Craig MeyersNF
no factor from 2^67 to 2^68
2010-12-27Craig MeyersNF
no factor from 2^66 to 2^67
2010-12-23Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-08CorranNF
no factor from 2^64 to 2^65