V3/usr/man/man1/factor.1

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NAME		factor -- discover prime factors of a number
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SYNOPSIS	factor______
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DESCRIPTION	When factor is invoked, it types
out "Enter:" at you.  If you type in a positive
number less than 2^56 (about 7.2E16), it will repeat the number
back at you and then its prime factors each one printed
the proper number of times.  Then it says "Enter:" again.
To exit, feed it an EOT or a delete.
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Maximum time to factor is proportional to sqrt(n) and occurs
when n is prime.  It takes 1 minute to factor a prime near 10^13.
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FILES		--
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SEE ALSO	--
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DIAGNOSTICS	"Ouch." for input out of range or for garbage input.
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BUGS		--