They are "infinite" and "few" at the same time? ;)

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-----Original Message-----
From: p k <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Mon, 17 May 2004 100:13:03 -0700
Subject: Re: [Prime] 41st Mersenne Prime reported!

In layman's terms there are infinite number of numbers therefore there are and infinite number of primes. I think it safe to say that since there are infinite number of primes that are infinite number that will take the form of 2^n - 1 granted they are few and far between. I sure there is a way to represent this mathematically. 
 
>From: "Brian J. Beesley" <[EMAIL PROTECTED]
>Reply-To: The Great Internet Mersenne Prime Search list ><[EMAIL PROTECTED]
>To: The Great Internet Mersenne Prime Search list <[EMAIL PROTECTED]
>Subject: Re: [Prime] 41st Mersenne Prime reported! 
>Date: Mon, 17 May 2004 06:36:02 +0000 

>On Monday 17 May 2004 04:58, you wrote: 
> > On reading this message, an old principle of logic comes to mind: 
> > 
> > IT'S IMPOSSIBLE TO PROVE A NEGATIVE. 
> > 
> > :) 

>NO! Remember that (afaik) no-one has even managed to prove that there are >an 
>infinite number of Mersenne numbers with prime exponents which are 
>_composite_ - an assertion which, at first sight, seems much more obvious. 
>If it were to turn out that there are a finite number of composite 
>prime-exponent Mersenne numbers, then it would automatically follow that 
>there are an infinite number of Mersenne primes - in which case it would >have 
>been possible to "prove a negative". 

>I think you mean, you can't prove by observation that an event never >happens. 
>Which is true enough - though a single positive observation disproves that 
>theory. 

>For Mersenne primes, the best we have is a heuristic argument which >predicts 
>an infinite number of Mersenne primes... the predicted distribution for 
>"small" exponents matches what we "observe" reasonably well. 

>Regards 
>Brian Beesley 
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