Quote:
Originally Posted by a1call
A 79820 dd Prime example found using PFGW:
(20577!-2652)/2652
Currently waiting for FactorDB to process the number.
Stay tuned if not done.

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FTR the number was proven prime via PFGW by using the -tp flag, FactorDB says "Too big to be tested at the moment." for N+1 proof. I am not sure how temporary is the "at the moment" if at all.