20120923, 08:10  #1 
"Lucan"
Dec 2006
England
2·3·13·83 Posts 
Sieving freakishly big MMs (was "World record" phone number?)
Isn't the notion rendered nonsense by multiplying all the primes up to (say) a billion together and adding 1?
David 
20120923, 09:00  #2 
Romulan Interpreter
Jun 2011
Thailand
2^{2}×3×5×163 Posts 
2*3*5*7*11*13+1=59*509

20120923, 11:47  #3 
"Lucan"
Dec 2006
England
2×3×13×83 Posts 

20120923, 12:48  #4 
"Mark"
Apr 2003
Between here and the
2·5·643 Posts 
That is behind the proof that there are an infinite number of primes.

20120923, 12:49  #5 
"Lucan"
Dec 2006
England
2·3·13·83 Posts 

20120923, 12:56  #6 
Undefined
"The unspeakable one"
Jun 2006
My evil lair
2·3^{2}·349 Posts 

20120923, 13:52  #7 
Einyen
Dec 2003
Denmark
5^{2}×127 Posts 
There are tons of examples in math where we are looking for the interesting cases and ignoring the "trivial" cases which this is. Like the "nontrivial Riemann zeta function zeros".

20120923, 14:07  #8 
"Lucan"
Dec 2006
England
2×3×13×83 Posts 

20120923, 19:00  #9 
∂^{2}ω=0
Sep 2002
República de California
2×3×29×67 Posts 
I can say with 100% certainty that the smallest prime factor of M(M43112609) is a world record prime, but without an explicit demonstration of such a factor, that is meaningless.

20120923, 19:26  #10 
"Lucan"
Dec 2006
England
1100101001010_{2} Posts 

20120923, 20:16  #11 
"Lucan"
Dec 2006
England
2·3·13·83 Posts 

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