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Marin Mersenne 2^P-1
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MnStatusDetails
486407Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
869752367123253045612066.22010-09-22 03:16:00
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski36A10
Verified (Factored)Brian J. BeesleyCBB7233DCCD1B6A10
Verified (Factored)Charles F. Kerchner IIICBB7233DCCD1B6A10
Verified (Factored)Eivind TrielCBB7233DCCD1B6A1297892
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-26Oliver KruseDBC5143B6EE2B07C1013
Verified2017-09-27Oliver KruseDBC5143B6EE2B07C1013
Verified2017-11-09kkmrkkblmbrbkDBC5143B6EE2B07C140863913
Verified2020-04-18Oliver Kruse933B22422119AA30112645453
Verified2024-11-27kkmrkkblmbrbk933B22422119AA3018316253
History
DateUserTypeResult
2024-11-27ANONYMOUSCERT
PRP Certification
Proof certified good
2024-11-27kkmrkkblmbrbkC-PRP
M486407/86975236712325304561 : 933B22422119AA30
PRP proof power = 6
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-18Oliver KruseC-PRP
M486407/86975236712325304561 : 933B22422119AA30
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M486407/86975236712325304561 : DBC5143B6EE2B07C
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M486407/86975236712325304561 : DBC5143B6EE2B07C
PRP: Verified
PRP without proof (not generated)
2017-09-26Oliver KruseC-PRP
M486407/86975236712325304561 : DBC5143B6EE2B07C
PRP: Verified
PRP without proof (not generated)
2010-09-22sannerud.comF-ECM
Factor: 86975236712325304561