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
18603829Factored
FactorDigitsBitsDate
9680420516190063440412169.7old
9863298472058227778689992479.72008-07-15 22:28:36
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-03-29DobriA5F0A1164DE842EC21817170453
History
DateUserTypeResult
2023-03-29George WoltmanCERT
PRP Certification
Proof certified good
2023-03-29DobriC-PRP
M18603829/968042051619006344041/986329847205822777868999 : A5F0A1164DE842EC
PRP proof power = 8
PRP: Verified
Proof certified good
2022-04-11LordJuliusNF
no factor from 2^67 to 2^68
2022-04-11LordJuliusNF
no factor from 2^66 to 2^67
2008-07-15George WoltmanF-PM1
Factor: 954808768862185733768217698253000915822284959