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Old 2021-07-20, 09:52   #463
gd_barnes
 
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May 2007
Kansas; USA

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R2 2nd conjecture is at n=1.5M; 5 primes were found for n=1M-1.5M shown below; 40 k's remain; continuing to n=2M.

Primes:
737797*2^1002029-1
664273*2^1122271-1
667841*2^1333638-1
748931*2^1344062-1
691303*2^1482111-1
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