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

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MnStatusDetails
1759729Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
289293170194758592812064.62017-12-05 12:34:17
16748571479450854774332270.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000108 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ken Kriesel29F43B9C9E2FF8120
Verified (Factored)1998-12-06Ron Reece29F43B9C9E2FF81222459
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2025-09-02Kriesel7E67769739801145013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-03Oliver Kruse0F81FE38C30D9E091013
Verified (Factored)2017-11-04kkmrkkblmbrbk0F81FE38C30D9E09152714913
Verified2017-12-06kkmrkkblmbrbk7E67769739801145247831453
Verified2017-12-06ATH7E677697398011452171437653
History
DateUserTypeResult
2025-09-03Carlos PinhoCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-02KrieselC-PRP
7E67769739801145
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2017-12-06ATHC-PRP
M1759729/1674857147945085477433/28929317019475859281 : 7E67769739801145
PRP: Verified
PRP without proof (not generated)
2017-12-06kkmrkkblmbrbkC-PRP
M1759729/1674857147945085477433/28929317019475859281 : 7E67769739801145
PRP: Verified
PRP without proof (not generated)
2017-12-05TJAOIF
Factor: 28929317019475859281 / TF: 64-65
2017-11-04kkmrkkblmbrbkC-PRP
M1759729/1674857147945085477433 : 0F81FE38C30D9E09
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1759729/1674857147945085477433 : 0F81FE38C30D9E09
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12