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

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Exponent Range:










MnStatusDetails
346043Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
10057271232015431649.8old
2251716485400463879428735192787.52017-10-20 14:52:10
ECM
DigitsB1Curves
2550000280 / 280
30250000599 / 640
Estimated T-Level: 29.7
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-23Oliver Kruse454D15605CD1322D1013
Verified (Factored)2017-10-13Oliver Kruse454D15605CD1322D133327213
Verified2017-10-21Oliver KruseDEC58FC695E23993233469853
Verified2017-10-21Yaroslav BerezhkoDEC58FC695E2399324713653
Verified2017-10-22kkmrkkblmbrbkDEC58FC695E2399324513653
History
DateUserTypeResult
2024-10-11yuriy_5-1NF-PM1
B1=12000002, B2=2124117455460
2023-11-16USAFSSNF-PM1
B1=1350000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2017-10-22kkmrkkblmbrbkC-PRP
M346043/1005727123201543/225171648540046387942873519 : DEC58FC695E23993
PRP: Verified
PRP without proof (small exponent)
2017-10-21Yaroslav BerezhkoC-PRP
M346043/1005727123201543/225171648540046387942873519 : DEC58FC695E23993
PRP: Verified
PRP without proof (small exponent)
2017-10-21Oliver KruseC-PRP
M346043/1005727123201543/225171648540046387942873519 : DEC58FC695E23993
PRP: Verified
PRP without proof (small exponent)
2017-10-20TJAOIF-ECM
Factor: 225171648540046387942873519 / (ECM curve 8, B1=250000, B2=25000000)
2017-10-13Oliver KruseC-PRP
M346043/1005727123201543 : 454D15605CD1322D
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M346043/1005727123201543 : 454D15605CD1322D
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M346043/1005727123201543 : 454D15605CD1322D
PRP without proof (not generated)