Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
1439Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2879411.5old
46049515.5old
172681617.4old
8027328450071239.5old
705703663820503600641607411672995.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000030015 / 105362
Estimated T-Level: 56.4
TF below 2^182 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse07E4EA8518EA394A5013
Verified2017-10-02kkmrkkblmbrbk07E4EA8518EA394A5013
Verified2017-12-07ATH07E4EA8518EA394A519413
Verified2020-04-17Oliver KruseF5FD78A7CDDF29CB530653
Verified2020-08-12_p95holder_F5FD78A7CDDF29CB53453
Verified (Factored)2022-05-12Jorge CoveiroF5FD78A7CDDF29CB138353
History
DateUserTypeResult
2022-05-12Jorge CoveiroC-PRP
M1439/2879 : F5FD78A7CDDF29CB
PRP: Verified (Factored)
PRP without proof (small exponent)
2021-07-20ViliamFNF-PP1
Start=2/7, B1=1000000000, B2=221000000000
2021-03-27nordiNF-PM1
B1=1000000000000, B2=2232843418649129478
2020-08-12_p95holder_C-PRP
M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : F5FD78A7CDDF29CB
PRP: Verified (Factored)
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : F5FD78A7CDDF29CB
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : 07E4EA8518EA394A
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : 07E4EA8518EA394A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1439/known_factors : 07E4EA8518EA394A
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=1000000000, B2=100000000000, E=12