Re: Misprint
- To: mathgroup at smc.vnet.net
- Subject: [mg111102] Re: Misprint
- From: "Alexey Popkov" <lehin.p at gmail.com>
- Date: Tue, 20 Jul 2010 03:44:25 -0400 (EDT)
- References: <i20q4h$kdt$1@smc.vnet.net>
I apologize. It is my typo: I wrote 2^26972593 instead of 2^6972593. "Ken Levasseur" <klevasseur at mac.com> news:i20q4h$kdt$1 at smc.vnet.net... > 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 >> > >