Your solution is fastest so far.
Good job, Athi.
@Athi, your solution contains many "magic" constant variables that I don't know how you got.
William's solution is much easier to understood, although it is slower than yours.
Thanks li haitao.
Remove the polynomials that have positive real elements of their roots.
Make one big string out of two smaller strings
Specific Element Count
The sum of the numbers in the vector
Lights Out 7 - 5x5, x moves
Divisible by n, prime divisors (including powers)
Mersenne Primes vs. All Primes
Divisible by 10
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