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Old 2021-08-29, 08:35  
gd_barnes
 
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May 2007
Kansas; USA

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R2 2nd conjecture is complete to n=2M; 4 primes were found for n=1.5M-2M shown below; 36 k's remain.

Primes:
732551*2^1542890-1
670331*2^1602938-1
569923*2^1604951-1
736663*2^1794419-1

The base is released to CRUS. :-)
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