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
100327261Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 805000
B2 = 13685000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-10-24WR1B549BEA23043D__9298857913
History
DateUserTypeResult
2025-07-21JurzalNF
no factor from 2^76 to 2^77
2020-10-24WRC-PRP
1B549BEA23043D__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-10-09WRNF-PM1
B1=805000, B2=13685000
2020-07-29LOBESNF
no factor from 2^75 to 2^76
2020-07-29LOBESNF
no factor from 2^74 to 2^75
2020-03-02gcardonaNF
no factor from 2^73 to 2^74
2020-02-11el groccoNF
no factor from 2^72 to 2^73
2013-11-05Smok_bmv NF
no factor from 2^71 to 2^72
2013-11-05Smok_bmv NF
no factor from 2^70 to 2^71
2013-11-05Smok_bmv NF
no factor from 2^69 to 2^70
2013-11-05Smok_bmv NF
no factor from 2^68 to 2^69
2013-08-22timc995NF
no factor from 2^67 to 2^68
2011-03-15Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-09Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09James HintzNF
no factor from 2^64 to 2^65
2010-02-011997rj7NF
no factor from 2^63 to 2^64