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

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MnStatusDetails
2118689Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
29661647824.8old
18305472971030.82008-07-14 20:20:34
7995885276348009766143292479.42022-04-24 04:50:34
60852851162569811330950330972892.32024-10-04 08:38:43
ECM
DigitsB1Curves
2550000280 / 280
30250000203 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-07Oliver KruseAB8427C0E6C1AF812013
Verified (Factored)2017-11-17kkmrkkblmbrbkAB8427C0E6C1AF81212929813
Verified (Factored)2022-04-24aperson1D04342456558FED33181654253
Verified2024-10-04Naegi MakotoD04342456558FED34176463053
History
DateUserTypeResult
2024-10-04LOBESCERT
PRP Certification
Proof certified good
2024-10-04Naegi MakotoC-PRP
M2118689/29661647/1830547297/799588527634800976614329/6085285116256981133095033097 : D04342456558FED3
PRP proof power = 7
PRP: Verified
Proof certified good
2024-10-04TJAOIF-ECM
Factor: 6085285116256981133095033097 / (ECM curve 68, B1=250000, B2=303566445, Edwards Sigma=4795645099333708)
2022-04-24curtiscCERT
PRP Certification
Proof certified good
2022-04-24aperson1C-PRP
M2118689/29661647/1830547297/799588527634800976614329 : D04342456558FED3
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2022-04-24_p95holder_F-ECM
Factor: 799588527634800976614329 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-17kkmrkkblmbrbkC-PRP
M2118689/29661647/1830547297 : AB8427C0E6C1AF81
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-07Oliver KruseC-PRP
M2118689/29661647/1830547297 : AB8427C0E6C1AF81
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-27alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-14George WoltmanF-ECM
Factor: 1830547297