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
6269Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
102799653668231443.2old
4337002046713192825055272478.5old
84616455138787338671007220946800840212827342139.32021-03-27 12:58:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001438 / 9201
Estimated T-Level: 40.8
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse86AC0B1FCE8042EA2013
Verified (Factored)2017-10-12kkmrkkblmbrbk86AC0B1FCE8042EA2587413
Verified (Factored)2020-04-17Oliver Kruse32EAC0E998D2DFC2253453
Verified2021-03-27riccardo uberti32EAC0E998D2DFC2332553
History
DateUserTypeResult
2023-08-01-Anonymous-NF-PM1
B1=39000000000, B2=163113042636343800
2021-08-01ViliamFNF-PM1
B1=500000000, B2=90500000000
2021-03-27riccardo ubertiC-PRP
M6269/10279965366823/433700204671319282505527/846164551387873386710072209468008402128273 : 32EAC0E998D2DFC2
PRP: Verified
PRP without proof (small exponent)
2021-03-27Ryan PropperF-ECM
Factor: 846164551387873386710072209468008402128273 / (ECM curve 1, B1=43000000, B2=198654756318, Sigma=9268167153722790354)
2020-04-17Oliver KruseC-PRP
M6269/10279965366823/433700204671319282505527 : 32EAC0E998D2DFC2
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
PRP without proof (not generated)