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Search took 0.00 seconds. Search: Posts Made By: LongGone
Forum: Technology 06-2-2014, 09:07 AM
Replies: 450
Views: 133,489
Posted By LongGone
Re: The Project Euler thread

Goddamnit
http://puu.sh/9bQIB.jpg
Forum: Technology 11-19-2011, 08:41 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

I obtained the general formula for 359 but idk how to code/program (and 358 too)

):
Forum: Technology 10-24-2011, 05:18 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

Stargroup originally came up with the idea that having a composite being a product of 3 primes isn't efficient and will never be part of the maximum set. I had a thought and will back this up by...
Forum: Technology 10-24-2011, 03:26 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

#1. I think because he's listing the numbers in order of smallest prime factors, and some numbers are made up of two prime factors so he repeated them
#2. Probably "set 1" (i.e. primes below sqrt n...
Forum: Technology 10-23-2011, 06:37 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

For 100, we have 25 odd primes (including 1), and one even 2. The sum of 25 odd primes (raised to any power) sum up to odd, adding the power of 2 still makes it odd

However, since we can group...
Forum: Technology 10-23-2011, 06:00 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

Since you are one off from the actual answer (changing from odd to even), it implies that one set of (p^a)(q^b) should be degrouped, or grouped (e.g. 5*19=95(odd), or 5^a+19^b=even). Swapping pairs...
Forum: Technology 10-23-2011, 04:51 PM
Replies: 450
Views: 133,489
Posted By LongGone
Re: THE project euler thread

Could this be extended to cover cases of (p^a)(q^b)(r^c) > p^d + q^e + r^f etc. ? I can't think of an example though. The huge annoyance here is that the list of numbers are exhaustive, everytime you...
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