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Old 2005-01-03, 15:31   #1
Mystwalker
 
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Jul 2004
Potsdam, Germany

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Smile 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!
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Old 2005-01-03, 17:16   #2
Jean Penné
 
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May 2004
FRANCE

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Default 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
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Old 2005-01-03, 18:29   #3
Citrix
 
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Congrats from PSP's side also.

Citrix
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Old 2005-01-03, 19:26   #4
Citrix
 
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Forgot to mention that the above k is prime, hence it reduces a k for PSP.

Citrix
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Old 2005-01-04, 01:49   #5
Xyzzy
 
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http://www.free-dc.org/forum/showthr...&threadid=8248

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Old 2005-01-04, 17:00   #6
David John Hill Jr
 
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Jun 2003
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Default 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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