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
118062961Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 276
P-1
B1 = 1000000
B2 = 427337820
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-03-16MARSTEC71A53015306A9F5F10244057713
History
DateUserTypeResult
2024-03-17Chun sung sooCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-03-16MARSTECC-PRP
71A53015306A9F5F
PRP proof power = 8
PRP: Verified
Proof certified good
2023-05-28Mihai PredaNF-PM1
B1=1000000, B2=427337820
2022-09-28Brent GoebelNF
no factor from 2^77 to 2^78
2021-08-30snme2pm1NF
no factor from 2^76 to 2^77
2019-12-27snme2pm1NF
no factor from 2^75 to 2^76
2019-12-27snme2pm1NF
no factor from 2^74 to 2^75
2019-04-14snme2pm1NF
no factor from 2^73 to 2^74
2015-10-30snme2pm1NF
no factor from 2^72 to 2^73
2015-01-02snme2pm1NF
no factor from 2^71 to 2^72
2015-01-02snme2pm1NF
no factor from 2^70 to 2^71
2014-10-30snme2pm1NF
no factor from 2^69 to 2^70
2014-10-30snme2pm1NF
no factor from 2^68 to 2^69
2014-03-12snme2pm1NF
no factor from 2^66 to 2^68
2012-07-22RichardNF
no factor from 2^65 to 2^66
2010-10-13Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-13sasaki3NF
no factor from 2^63 to 2^64