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

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MnStatusDetails
356959Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3569591721.8old
33996947575509064731961.62015-02-06 11:16:45
ECM
DigitsB1Curves
2550000280 / 280
30250000526 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver KruseE0ED8E41D94584DB2013
Verified2017-10-13Oliver KruseE0ED8E41D94584DB232485313
Verified2017-12-15ATHE0ED8E41D94584DB25557513
Verified2020-04-18Oliver Kruse0B5F35C53C8B08D6228433653
Verified2024-09-19kkmrkkblmbrbk0B5F35C53C8B08D6226534053
History
DateUserTypeResult
2024-09-23yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2024-09-19Luke DurantCERT
PRP Certification
Proof certified good
2024-09-19kkmrkkblmbrbkC-PRP
M356959/3569591/3399694757550906473 : 0B5F35C53C8B08D6
PRP proof power = 5
PRP: Verified
Proof certified good
2023-12-04USAFSSNF-PM1
B1=1530000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M356959/3569591/3399694757550906473 : 0B5F35C53C8B08D6
PRP: Verified
PRP without proof (small exponent)
2017-12-15ATHC-PRP
M356959/3569591/3399694757550906473 : E0ED8E41D94584DB
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M356959/3569591/3399694757550906473 : E0ED8E41D94584DB
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M356959/3569591/3399694757550906473 : E0ED8E41D94584DB
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M356959/3569591/3399694757550906473 : E0ED8E41D94584DB
PRP without proof (not generated)
2015-02-06TJAOIF-ECM
Factor: 3399694757550906473 / (ECM curve 12, B1=50000, B2=5000000)