How do I find out if 4^2007 + 2007^4 is a prime number or not?
Is that a question or a puzzle?
Write a program and let the computer figure it out.
I will tell you, it's not prime; I don't want to say more.
try using modular arithmetic. i.e. p divides N if N is congruent to 0 modp.
this is not speculation, this is a hint.
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