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
3761Factored
FactorDigitsBitsDate
55655279825.7old
12649677821511340.2old
18788748794231340.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000011116 / 40830
Estimated T-Level: 51.4
TF below 2^166 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse39DC95BB60DEB4963013
Verified2017-10-12kkmrkkblmbrbk39DC95BB60DEB496323013
Verified2020-04-17Oliver Kruse23CEA6131CA096883107453
Verified2024-02-03Wentao Huang23CEA6131CA09688310253
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M3761/55655279/1264967782151/1878874879423 : 23CEA6131CA09688
PRP: Verified
PRP without proof (small exponent)
2021-09-09Jinyuan WangNF-PM1
B1=1300000000, B2=13000000000, E=12
2020-04-17Oliver KruseC-PRP
M3761/55655279/1264967782151/1878874879423 : 23CEA6131CA09688
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M3761/55655279/1264967782151/1878874879423 : 39DC95BB60DEB496
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3761/55655279/1264967782151/1878874879423 : 39DC95BB60DEB496
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3761/55655279/1264967782151/1878874879423 : 39DC95BB60DEB496
PRP without proof (not generated)