Project Euler [SPOILER #3]

Mick Collins mickclns at mac.com
Thu Feb 25 15:02:27 EST 2010


600851475143 = 71* 839 * 1471 * 6857

It's factors are 1, 71, 839, 1471, 6857, 59569, 104441, 486847, 1234169, 5753023, 10086647, 87625999, 408464633, 716151937, 8462696833,  and 600851475143

I wrote a stack that will do this for any number whose largest prime factor is around 100,000,000 or which is a prime up to about the square of that.  This one took more time to display the results than to calculate them.
   -  Mick

>Date: Wed, 24 Feb 2010 12:01:17 -0600
>From: Geoff Canyon Rev <gcanyon+rev at gmail.com>
>Subject: Re: Project Euler [SPOILER #3]
>To: How to use Revolution <use-revolution at lists.runrev.com>
>Message-ID:
>	<8ea148a01002241001h68210441i388f66f67ba71d46 at mail.gmail.com>
>Content-Type: text/plain; charset=ISO-8859-1
>
>Are we talking about the same #3?
>
>The prime factors of 13195 are 5, 7, 13 and 29.
>
>What is the largest prime factor of the number 600851475143 ?
>
>
>
>



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