mersenneforum.org > Math Seventeen or Bust found a prime!
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 2005-01-03, 15:31 #1 Mystwalker     Jul 2004 Potsdam, Germany 3×277 Posts Seventeen or Bust found a prime! No year without December prime! 28433*2^7830457+1 is prime. 2,357,207 digits, making it the fourth-largest known so far! More under http://www.seventeenorbust.com and http://www.free-dc.org/forum/showthr...&threadid=8238 7 down, 10 to go!
2005-01-03, 17:16   #2
Jean Penné

May 2004
FRANCE

2×5×59 Posts
Seventeen or Bust found a prime !

Quote:
 Originally Posted by Mystwalker No year without December prime! 28433*2^7830457+1 is prime. 2,357,207 digits, making it the fourth-largest known so far! More under http://www.seventeenorbust.com and http://www.free-dc.org/forum/showthr...&threadid=8238 7 down, 10 to go!
Splendid news ! Congratulation for the happy finder, and for all participants !

Jean

 2005-01-03, 18:29 #3 Citrix     Jun 2003 3×232 Posts Congrats from PSP's side also. Citrix
 2005-01-03, 19:26 #4 Citrix     Jun 2003 63316 Posts Forgot to mention that the above k is prime, hence it reduces a k for PSP. Citrix
 2005-01-04, 01:49 #5 Xyzzy     Aug 2002 11×769 Posts
 2005-01-04, 17:00 #6 David John Hill Jr     Jun 2003 Pa.,U.S.A. 22·72 Posts glad for success There should be a lot more to find after the first 17. Thought I was reading about einsteins ring being convex at first.

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