59977...81599 (79-digits)

This number is a prime.

                                                                   599770641
0301399683 4678313567 6391448662 4944745669 4039682290 8682169909 1536281599

+ The smallest prime p, such that p-1 and p+1 both have a 100th power as a divisor. [Wallrodt]

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