60659...20779 (37-digits)

This number is a prime.

                                    6065946 7746149540 6072070084 6116120779

+ 26^26 - 25^25 - 24^24 - 23^23 - 22^22 - ... - 4^4 - 3^3 - 2^2 - 1^1 is prime. [Tolgede]

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