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Old 2008-07-28, 21:31   #8
gd_barnes
 
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May 2007
Kansas; USA

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Quote:
Originally Posted by henryzz View Post
u can use pfgw to prove them prime
the options -t -tp and -tc all prove primality

You would use the -t option for +1 tests. -tp is for -1 tests.

-tc tests both but is generally used for random forms (i.e. k*b^n+7) and would take an unnecessary amount of time for +1 or -1 tests.


Gary
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