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

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MnDetails
2487073
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
306158686311134.8old
1619130882040731547.22014-02-27 11:49:19
178194901411983371754.02014-10-24 11:47:43
ECM
DigitsB1Curves
2550000194 / 280
Estimated T-Level: 23.5
TF below 2^73 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse75E07E4B67A11D3B386395553
Verified
PRP without proof (not generated)
2017-10-15Yaroslav Berezhko8ABD5159968D5D043013
Verified
PRP without proof (not generated)
2017-11-29storm551075E07E4B67A11D3B3128798553
Verified
PRP without proof (not generated)
2017-12-04kkmrkkblmbrbk8ABD5159968D5D04392022613
History
DateUserTypeResult
2022-08-18USAFSSNF-PM1B1=224000, B2=203668920
2017-12-04kkmrkkblmbrbkC-PRP
M2487073/30615868631/161913088204073/17819490141198337 : 8ABD5159968D5D04
2017-11-29storm5510C-PRP
M2487073/30615868631/161913088204073/17819490141198337 : 75E07E4B67A11D3B
2017-10-15Yaroslav BerezhkoC-PRPM2487073/30615868631/161913088204073/17819490141198337 : 8ABD5159968D5D04
2017-10-14Oliver KruseC-PRP
M2487073/30615868631/161913088204073/17819490141198337 : 75E07E4B67A11D3B
2014-10-24TJAOIFFactor: 17819490141198337
2014-02-27TJAOIFFactor: 161913088204073