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

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MnStatusDetails
1735733Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1849490962084391547.4old
25138116297806707431961.12016-04-04 11:30:37
1522987120309105235691202492787.02020-05-07 07:07:10
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-02Kriesel04493065DDF1DF92013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-03Oliver KruseA08AAA0D60B15A982013
Verified (Factored)2017-11-03kkmrkkblmbrbkA08AAA0D60B15A98276069913
Verified2020-05-07M Miller04493065DDF1DF923142424553
Verified2020-05-09arnaud04493065DDF1DF9236405453
History
DateUserTypeResult
2025-09-03Carlos PinhoCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-02KrieselC-PRP
04493065DDF1DF92
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2020-05-09arnaudC-PRP
M1735733/184949096208439/2513811629780670743/152298712030910523569120249 : 04493065DDF1DF92
PRP: Verified
PRP without proof (not generated)
2020-05-07M MillerC-PRP
M1735733/184949096208439/2513811629780670743/152298712030910523569120249 : 04493065DDF1DF92
PRP: Verified
PRP without proof (not generated)
2020-05-07Greg HoganF-ECM
Factor: 152298712030910523569120249 / (ECM curve 2, B1=50000, B2=5000000, Sigma=1389685136389221)
2017-11-03kkmrkkblmbrbkC-PRP
M1735733/184949096208439/2513811629780670743 : A08AAA0D60B15A98
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1735733/184949096208439/2513811629780670743 : A08AAA0D60B15A98
PRP: Verified
PRP without proof (not generated)
2016-04-04TJAOIF
Factor: 2513811629780670743 / TF: 61-62
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12