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 2007-09-18, 03:21 #1 debasish   9,103 Posts formula for largest prime found the formula is n!-1=prime number n is any whole mumber by debasish mohanty debasheez@yahoo.com
 2007-09-18, 03:24 #2 Unregistered   10011000111012 Posts sorry it is n is any natural mumber
2007-09-18, 03:25   #3
debasheez

2·5·13·17 Posts

Quote:
 Originally Posted by debasish the formula is n!-1=prime number n is any whole mumber by debasish mohanty debasheez@yahoo.com
it is any natural

 2007-09-18, 03:26 #4 debasheez   153710 Posts sorry it is any natural number
 2007-09-18, 03:43 #5 ewmayer ∂2ω=0     Sep 2002 República de California 32·1,297 Posts 3 Questions: 1) Do you really work for Mercedes-Benz [I sure hope not], or did you somehow get onto your Dad Klaus's computer without his permission? 2) Just how drunk were you when you made these posts? 3) Are you in truth a complete moron, or do you just do a darn good imitation of one?
 2007-09-18, 03:47 #6 Jens K Andersen     Feb 2006 Denmark 2×5×23 Posts
2007-09-18, 04:13   #7
Mr. P-1

Jun 2003

49116 Posts

Quote:
 Originally Posted by Jens K Andersen No
Indeed 5!-1 = 119 = 7*17

Last fiddled with by Mr. P-1 on 2007-09-18 at 04:25

 2007-09-18, 11:00 #8 akruppa     "Nancy" Aug 2002 Alexandria 2,467 Posts Moved to Misc. Math. And here's your complimentary
 2007-09-18, 11:19 #9 Mini-Geek Account Deleted     "Tim Sorbera" Aug 2006 San Antonio, TX USA 3·1,423 Posts Is there any "magic" thing you can do that gives you an infinite amount of primes, aside from Euclid's extremely inefficient proof of infinite primes, that gives you primes for any n? If there was, that'd sure be nice, but I don't think there is.
 2007-09-18, 13:39 #10 Zeta-Flux     May 2003 7×13×17 Posts Mini-geek, There are of course "elementary formulas" which spit out all the primes, and only the primes, in increasing order. However, there are no known formulas which spit out large primes (and only primes) *quickly*.
2007-09-18, 15:22   #11
R.D. Silverman

Nov 2003

22×5×373 Posts

Quote:
 Originally Posted by ewmayer 3 Questions: 1) Do you really work for Mercedes-Benz [I sure hope not], or did you somehow get onto your Dad Klaus's computer without his permission? 2) Just how drunk were you when you made these posts? 3) Are you in truth a complete moron, or do you just do a darn good imitation of one?
What have you got against morons???

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