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Re: Misprint

• To: mathgroup at smc.vnet.net
• Subject: [mg111065] Re: Misprint
• From: Ken Levasseur <klevasseur at mac.com>
• Date: Mon, 19 Jul 2010 02:08:54 -0400 (EDT)

Alexey

You added a 2 to the base of the expression

Ken

Sent from my iPad

On Jul 18, 2010, at 1:05 AM, Alexey <lehin.p at gmail.com> wrote:

> Hello,
> 
> It seems that there is a misprint on the page
> http://www.wolfram.com/products/mathematica/usersanduses/mersenne.html
> We read that "In June 1999 an international group of mathematicians,
> computer scientists, and hobbyists <...> discovered that 2^6972593-1
> is
> prime." But it is not true:
> In[3]:= PrimeQ[2^26972593 - 1]
> Out[3]= False
>