17672...80011 (73-digits)

This number is a prime.

                                                                         176
7251507175 7424308968 9188344017 7537264455 5816120481 6819161117 6760780011

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The only known prime number of the form 3^x+5^x+17^x+257^x+65537^x. Note that bases are the all known Fermat primes. [Sariyar]

Submitted: 2018-10-16 10:17:33;   Last Modified: 2018-10-16 10:22:29.
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