4294945999

This number is a prime.

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4294945999 is the largest prime P < 2^32 such that SOD(P) = SOD(P^2); P^2 = 18446561134326108001. Challenge by Dale. [Rivera]

Submitted: 2019-04-04 14:26:53;   Last Modified: 2019-04-06 21:13:21.
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