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MathGroup Archive 2010

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Misprint

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111053] Misprint
  • From: Alexey <lehin.p at gmail.com>
  • Date: Sun, 18 Jul 2010 01:05:42 -0400 (EDT)

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


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