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Old 2007-12-26, 07:39   #2
Kosmaj
 
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Nov 2003

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The 4 Ks < 300 with minmax (smallest largest) primes are now:

k=221, n=104846
k=109, n=141227
k=283, n=149351
k=233, n=179992

All tested to 600k, and all currently reserved by Cruelty.
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