20051104, 04:17  #1 
Oct 2004
Shanghai,China
2^{2} Posts 
Is it possible to test an exponent > 79300000 ?
in the "prime95.chm" i read "The Test choice can be used to run a LucasLehmer test on one Mersenne number. Enter the Mersenne number's exponent  this must be a prime number between 5 and 79300000."
but ,if zhe prime number over 79300000, how can i do? 
20051104, 08:50  #2 
Dec 2003
Hopefully Near M48
2×3×293 Posts 
If I remember correctly, the newer versions of prime95 allow testing of larger exponents, but I could be wrong.
In any case, you can download the newest version at the main GIMPS website: www.mersenne.org (when it's not down) 
20051104, 11:50  #3  
Oct 2005
Italy
3·113 Posts 
Quote:


20051104, 16:29  #4  
Dec 2003
Hopefully Near M48
2×3×293 Posts 
Quote:
My guess is that there is probably at least an order of magnitude difference between the fastest computers working on GIMPS and the slowest ones. Last fiddled with by jinydu on 20051104 at 16:29 

20051104, 17:39  #5 
Aug 2002
Termonfeckin, IE
5×7×79 Posts 
Yeah it takes about one year to test a number in that range on the fastest computers. On slower ones it can take much longer.

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