This prime is the sum of the 8th powers
of integers with 1250 and 1112 digits, namely
is completely factorized into proven primes.
Since N-1 is divisible by 5*(2*x^2)^12, which exceeds
the cube root of N, the primality of N may be proven
by the methods of Brillhart, Lehmer and Selfridge. [Broadhurst and