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

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MnStatusDetails
1844189Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
14753513823.8old
15276753970768311650.42014-05-28 11:29:44
11243613916231391321326099932889.92021-06-11 13:30:29
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)2025-09-02Kriesel10841BEBB3D25615013
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-04Oliver Kruse3ED286CBDAD4A6AC2013
Verified (Factored)2017-11-06kkmrkkblmbrbk3ED286CBDAD4A6AC222840313
Verified2021-06-11marssystems10841BEBB3D256153123338753
History
DateUserTypeResult
2025-09-03lou_chengkaiCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-02KrieselC-PRP
10841BEBB3D25615
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2022-04-11Lisander ViaeneNF-PM1
B1=500000, B2=625698150
2021-06-12daleCERT
PRP Certification
Proof certified good
2021-06-11marssystemsC-PRP
M1844189/14753513/1527675397076831/1124361391623139132132609993 : 10841BEBB3D25615
PRP proof power = 7
PRP: Verified
Proof certified good
2021-06-11TJAOIF-ECM
Factor: 1124361391623139132132609993 / (ECM curve 65, B1=50000, B2=6600000)
2017-11-06kkmrkkblmbrbkC-PRP
M1844189/14753513/1527675397076831 : 3ED286CBDAD4A6AC
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1844189/14753513/1527675397076831 : 3ED286CBDAD4A6AC
PRP: Verified (Factored)
PRP without proof (not generated)
2014-05-28TJAOIF
Factor: 1527675397076831