Re: Special form numbers factorization
From: Paul Leyland (paul_at_leyland.vispa.com)
Date: 09/21/04
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Date: 21 Sep 2004 14:02:25 +0100
alessandra_cabrini@virgilio.it (Sandra) writes:
> Hi, I'm studying something about factorization and I have a curiosity.
> I've often read that there are some 'special form numbers' very easy
> to be factored, but I have only find few examples of these numbers.
> Do you know if there is a list of the 'special forms'?
Ask and ye shall be given.
Factorials (N!), primorials (p#) and prime-powers (p^i) are very easy
to factor.
Somehow I feel that this may be not what you wanted, but it is what
you asked for. Bob Silverman has also suggested that you clarify your
request.
Paul
-- Hanging on in quiet desperation is the English way. The time is gone, the song is over. Thought I'd something more to say.
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