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Old 2008-02-01, 16:14   #6
gd_barnes
 
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May 2007
Kansas; USA

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Quote:
Originally Posted by em99010pepe View Post
495*2^338804-1 is prime!
FINALLY! A top-5000 prime for 400<k< 500. There are just a few less k's in the 400's than the others due to prior reservations and searches but it was still surprising how long it took to find one.

2 more to move into 7th place all alone!
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