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The only 3-digit prime p such that the product of first p odd numbers minus 2 is prime, i.e., 1*3*5*…*331*333-2. Note that there are also a single-digit prime (p=3) and a double-digit prime (p=37) with the same property. [Loungrides]

 

  Submitted: 2016-07-05 00:05:11;   Last Modified: 2016-07-15 07:26:48.



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