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286
This number is a composite.
286^(2+8+6)+(2+8+6) - 1 is
prime
. [
Opao
]
(There are 3 curios for this number that have not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
286^(2+8+6)+(2+8+6) - 1 is prime. [Opao]