Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
3697Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
749790344571136.1old
5671827421570071549.0old
32854375430164370843292271.5old
53151849954640107153088387458823023573739128.62017-05-07 11:30:37
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000013198 / 40830
Estimated T-Level: 51.6
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 KruseF0342595607A7A144013
Verified2017-10-02kkmrkkblmbrbkF0342595607A7A144013
Verified2017-12-07ATHF0342595607A7A144221613
Verified2020-04-17Oliver Kruse69D53FB5761705524240853
Verified2024-02-03Wentao Huang69D53FB5761705524112353
History
DateUserTypeResult
2024-06-04masserNF-PM1
B1=77000000000, B2=1232077111850970
2024-02-03Wentao HuangC-PRP
M3697/74979034457/567182742157007/3285437543016437084329/531518499546401071530883874588230235737 : 69D53FB576170552
PRP: Verified
PRP without proof (small exponent)
2021-09-09Jinyuan WangNF-PM1
B1=1300000000, B2=13000000000, E=12
2021-08-23H MichaelsonNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M3697/74979034457/567182742157007/3285437543016437084329/531518499546401071530883874588230235737 : 69D53FB576170552
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M3697/74979034457/567182742157007/3285437543016437084329/531518499546401071530883874588230235737 : F0342595607A7A14
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M3697/74979034457/567182742157007/3285437543016437084329/531518499546401071530883874588230235737 : F0342595607A7A14
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3697/known_factors : F0342595607A7A14
PRP without proof (not generated)
2017-05-07Ismo LaitelaF-ECM
Factor: 531518499546401071530883874588230235737 / (ECM curve 455, B1=11000000, B2=1100000000)