Le vendredi 20 juillet 2012 04:26:01 UTC+2, Tonico a écrit : > On Jul 20, 2:57 am, lutt...@gmail.com wrote: > > Le jeudi 19 juillet 2012 17:56:46 UTC+2, Timothy Murphy a écrit : > > > > > lutt...@gmail.com wrote: > > > > > &gt; The question is, are all even integers the sum of two primes? > > > &gt; In other words, could an even integer be the sum of two uneven integers, > > > &gt; at least one of them not being a prime? > > > > > These two statements do not seem to me to be equivalent. > > > > Yes, thank you, it would be better to limit the question to: > > > > Could an even integer be the sum of two uneven integers, > > at least one of them not being a prime? > > > > Marcel Luttgens > > > > > No, it couldn't: > > 16 = 9 + 7 , 24 = 15 + 9 = 23 + 1 , 42 = 39 + 3 = 35 + 7 = 33 + 9 = 27 > + 15 ....etc. > > All the above are examples of even integers expressed as the sum of > two odd integers, both of which are prime....and don't let those > who'll tell you that neither 1, 9, 14 , 39, 33 or 27 aren't primes: > they want to fool you. > > "Why, sir...oh, why had the troll to wake up?!"