Re: 45-digit factor of (M+2)23209 by ECM by yoyo@home!

[bearnol]

Desmond:~ james$ gp
GP/PARI CALCULATOR Version 2.3.5 (released)
i386 running darwin (ix86 kernel) 32-bit version
compiled: Mar 1 2010, gcc-4.0.1 (Apple Inc. build 5490)
(readline v6.1 enabled, extended help available)

Copyright (C) 2000-2006 The PARI Group

PARI/GP is free software, covered by the GNU General Public License,
and
comes WITHOUT ANY WARRANTY WHATSOEVER.

Type ? for help, \q to quit.
Type ?12 for how to get moral (and possibly technical) support.

parisize = 4000000, primelimit = 500000
? factor(128201605404515119370139202836664201936768339)
%1 =
[128201605404515119370139202836664201936768339 1]

? factor(128201605404515119370139202836664201936768338)
%2 =
[2 1]

[3 3]

[1789 1]

[23209 1]

[4913921 1]

[11636028186940576478619933007 1]

? factor(128201605404515119370139202836664201936768340)
%3 =
[2 2]

[5 1]

[7 1]

[13 1]

[19 1]

[53 1]

[277 1]

[10949 1]

[23064199200166874225513100655717 1]