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
272533Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1635199720.6old
83193423591033.02008-07-21 09:15:37
291256017111134.82008-07-21 09:15:37
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000161 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseE37CBC0CF9B75EDF3013
Verified2017-10-13Oliver Kruse2084264B645B21D233440853
Verified2017-10-13Oliver KruseE37CBC0CF9B75EDF314994613
Verified2017-11-02kkmrkkblmbrbk2084264B645B21D2312537553
Verified2019-04-09kkmrkkblmbrbkE37CBC0CF9B75EDF324680513
History
DateUserTypeResult
2024-10-29yuriy_5-1NF-PM1
B1=25073036, B2=6164555276880
2022-03-21Lisander ViaeneNF-PM1
B1=5550000, B2=22789551330
2022-03-20Lisander ViaeneNF-PM1
B1=5550000
2022-01-03Lisander ViaeneNF-PM1
B1=100000
2019-04-09kkmrkkblmbrbkC-PRP
M272533/1635199/29125601711/8319342359 : E37CBC0CF9B75EDF
PRP: Verified
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M272533/1635199/8319342359/29125601711 : 2084264B645B21D2
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M272533/1635199/29125601711/8319342359 : E37CBC0CF9B75EDF
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M272533/1635199/29125601711/8319342359 : 2084264B645B21D2
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M272533/1635199/29125601711/8319342359 : E37CBC0CF9B75EDF
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M272533/1635199/29125601711/8319342359 : E37CBC0CF9B75EDF
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 8319342359
2008-07-21J FeitsmaF
Factor: 29125601711