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1.1 ! root 1: .pa 1 ! 2: .he 'FACTOR (I)'1/15/73'FACTOR (I)' ! 3: .ti 0 ! 4: NAME factor -- discover prime factors of a number ! 5: .sp ! 6: .ti 0 ! 7: SYNOPSIS factor______ ! 8: .sp ! 9: .ti 0 ! 10: DESCRIPTION When factor is invoked, it types ! 11: out "Enter:" at you. If you type in a positive ! 12: number less than 2^56 (about 7.2E16), it will repeat the number ! 13: back at you and then its prime factors each one printed ! 14: the proper number of times. Then it says "Enter:" again. ! 15: To exit, feed it an EOT or a delete. ! 16: .sp ! 17: Maximum time to factor is proportional to sqrt(n) and occurs ! 18: when n is prime. It takes 1 minute to factor a prime near 10^13. ! 19: .sp ! 20: .ti 0 ! 21: FILES -- ! 22: .sp ! 23: .ti 0 ! 24: SEE ALSO -- ! 25: .sp ! 26: .ti 0 ! 27: DIAGNOSTICS "Ouch." for input out of range or for garbage input. ! 28: .sp ! 29: .ti 0 ! 30: BUGS --
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