  
  
  [1XReferences[0X
  
  [[20XBre96[15X]  [16XBrent,  R.  P.[15X,  [17XFactorization of the Tenth and Eleventh Fermat
  Numbers[15X                            (1996),                            ((
  ftp://ftp.comlab.ox.ac.uk/pub/Documents/techpapers/Richard.Brent/rpb161tr.dvi.gz
  )).
  
  [[20XBre04[15X]     [16XBrent,     R.     P.[15X,     [17XFactor     Tables[15X    (2004),    ((
  http://web.comlab.ox.ac.uk/oucl/work/richard.brent/factors.html )).
  
  [[20XBre89[15X]   [16XBressoud,   D.   M.[15X,   [17XFactorization  and  Primality  Testing[15X,
  Springer-Verlag (1989).
  
  [[20XCoh93[15X]  [16XCohen,  H.[15X,  [17XA Course in Computational Algebraic Number Theory[15X,
  Springer-Verlag (1993).
  
  [[20XLN07[15X]  [16XLübeck, F. and Neunhöffer, M.[15X, [17XGAPDoc (Version 1.0)[15X, RWTH Aachen
  (2007),  ((  GAP package, http://www.gap-system.org/Packages/gapdoc.html
  )).
  
  
  
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