Re: prime numbers and African artifact

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In article <3tukas$28m2@bubba.ucc.okstate.edu>,
David Ullrich <ullrich@math.okstate.edu> wrote:
: What's the easy way to show that 254365465431652436514232 is not
: prime again?

You use the Unix 'factor' command. If factor can divide it up into
lots of prime factors, then it's not prime. Let's try it and see:

READY.
factor
254365465431652436514232
Ouch!

READY.

Ah, factor couldn't divide it. Therefore 254365465431652436514232 is
prime.

Hope this helps!

--Dave

-- 

[15] http://armf18.dow.on.doe.ca:6700/~dbrown/ Dave Brown, rogue news admin


"I've been reading those C++ books and my horror grows with each page."

                                --Chris Reuter

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