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
2683Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
301948334496314956875611689959080413482111110346151.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
551100000007331 / 40830
Estimated T-Level: 50.9
TF below 2^164 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse65BFC6FC59D7F2641013
Verified2017-10-02kkmrkkblmbrbk65BFC6FC59D7F2641013
Verified2017-12-07ATH65BFC6FC59D7F264160313
Verified2020-04-17Oliver KruseB37A4C0E470F4FCF1197253
Verified2024-02-03Wentao HuangB37A4C0E470F4FCF1180253
History
DateUserTypeResult
2024-06-09masserNF-PM1
B1=100000000000, B2=122252921622181350
2024-02-03Wentao HuangC-PRP
M2683/3019483344963149568756116899590804134821111103 : B37A4C0E470F4FCF
PRP: Verified
PRP without proof (small exponent)
2021-07-05ViliamFNF-PM1
B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M2683/3019483344963149568756116899590804134821111103 : B37A4C0E470F4FCF
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M2683/3019483344963149568756116899590804134821111103 : 65BFC6FC59D7F264
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M2683/3019483344963149568756116899590804134821111103 : 65BFC6FC59D7F264
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2683/known_factors : 65BFC6FC59D7F264
PRP without proof (not generated)