10640...09537 (18615-digits)

This number is a prime.

Just showing those entries submitted by 'Earls': (Click here to show all)

+ 45047*2^61819+1 is prime. Note that 45047=107*421 is a brilliant number and 61819 is a strobogrammatic prime. Also, if you sum the squared digits of 45047*2^61819+1 you get the prime 527851. [Earls]

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