[Octave-bug-tracker] [bug #61129] Improve performance of factor() function

[anonymous]

Follow-up Comment #19, bug #61129 (project octave):

Yes, I made that 4x boost while going from Patch3 to Patch4 as described in
comment #8 below. One reason is to stay with consistent types throughout so
that the time spent in type conversion during division (mod or rem) is
eliminated. A secondary reason is to pull out the factors in increasing order
so the final sort is made unnecessary.  Patch4 is 4x as fast as Patch1. Patch6
is only 0.6% faster than Patch4. 

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