# 2^811 - 1
(13656093558537941553315536467397135968552465044102979912491535998492748263050510482475893147384943187441520456895351276433180265787636459684584153195173539934402882722844701815732384329547395122644920353046295760858502651980751792724303620866048

 (326023)

 (120561845344829717145833822890964664477289164454661659494292322521
  (2)(2)(2)
  (3)
  (5)
  (59)
  (107)
  (241)
  (811)
  (57349)
  (8096965885039186254247
   (2)
   (3)
   (7)
   (4075850117
    (2)(2)(13)(31)(43)(127)(463)
    )
   (47299310939
    (2)(11)(29)(71)
    (1044181)
    )
   )
  (1753504140327927222288060989
   (2)(2)
   (43)
   (2803)
   (3488227)
   (3891917)
   (267908777)
   )
  )
 
 
 (23119812387308695110542195466723573149999671437304578090473901521408187760986228863
  (2)  (811)  (11059)  (102299)
  (12599293972922356793307930642386698916727296564039428761161866843247581
   (2)(2)
   (3)(3)(3)
   (5)
   (13)
   (23)
   (61)
   (4799)
   (157841)
   (31080695207
    (2)
    (11)
    (3613)
    (391021)
    )
   (54336308246440382680823159030833533073397911
    (2)
    (3)
    (5)
    (336121)
    (340816727)
    (237545309767
     (2)(3)(61)
     (649030901
      (2)(2)(5)(5)(7)
      (927187)
      )
     )
    (66558858483213773
     (2)(2)
     (13)
     (19)
     (31)
     (2173137602299
      (2)
      (3)
      (13)
      (14549)
      (1914959)
      )
     )
    )
   ))
 
 (15027407098633642094023724924629416240581289482791222070473057361777251946987551028766864143
  (2)
  (433)
  (811)
  (107057)
  (448483229)
  (24629426841133
   (2)(2)
   (3)(3)(3)
   (1237)
   (1873)
   (98429)
   )
  (384934779754703
   (2)
   (131)
   (173)
   (431)
   (19704367)
   )
  (47004839198659491316136281496859090229178611
   (2)
   (3)
   (5)
   (7)
   (97)
   (659)
   (59951)
   (100746477012943
    (2)
    (3)(3)
    (491)
    (11399239309
     (2)(2)(3)
     (949936609
      (2)(2)(2)(2)(2)(3)(3)(17)(251)(773)
      )
     )
    )
   (579748759133147819
    (2)
    (139)
    (3308777)
    (630271303
     (2)(3)(107)
     (981731)
     )
    )
   )
  ))
#perl -nlwe 'print $1-1 if /^\s*\(\s*(\d+)\s*\)\s*$/' M811-factor | sort -nr | head | xargs -n 1 factor | perl -pwe 's/ /)(/g'