8
This number is a composite.
Just showing those entries submitted by 'Opao': (Click here to show all)
8 ones plus 8 is prime. [Opao]
The 8th Fibonacci number plus and minus 8 is prime, i.e., F(8)-8 and F(8)+8 are primes. It is the smallest Fibonacci number to have this property. [Opao]
Eight eights raised to the eighth power plus one is prime. I.e., 88888888^8 + 1 is prime. [Opao]
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