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
108179Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
228474049927.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000512 / 1566
Estimated T-Level: 31.6
TF below 2^100 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse77C166C93CA077331013
Verified2017-10-13kkmrkkblmbrbk77C166C93CA077331652913
Verified2020-04-17Oliver Kruse372C86001253BFB018760153
Verified2022-04-15LordJulius372C86001253BFB016517253
Verified2022-11-03LordJulius372C86001253BFB012947953
History
DateUserTypeResult
2022-11-03citizenscience.ruCERT
PRP Certification
Proof certified good
2022-11-03LordJuliusC-PRP
M108179/228474049 : 372C86001253BFB0
PRP proof power = 5
PRP: Verified
Proof certified good
2022-05-06LordJuliusNF
no factor from 2^62 to 2^63
2022-05-06LordJuliusNF
no factor from 2^61 to 2^62
2022-05-06LordJuliusNF
no factor from 2^60 to 2^61
2022-05-06LordJuliusNF
no factor from 2^59 to 2^60
2022-05-06LordJuliusNF
no factor from 2^58 to 2^59
2022-05-06LordJuliusNF
no factor from 2^57 to 2^58
2022-04-15LordJuliusC-PRP
M108179/228474049 : 372C86001253BFB0
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2021-07-01ATHNF-PP1
Start=2/7, B1=50000000, B2=5000000000
2020-04-17Oliver KruseC-PRP
M108179/228474049 : 372C86001253BFB0
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M108179/228474049 : 77C166C93CA07733
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M108179/228474049 : 77C166C93CA07733
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M108179/228474049 : 77C166C93CA07733
PRP without proof (not generated)
2016-12-05kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12