Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-prime numbers lower than x.
test case #2 is not correct.
find the maximum element of the matrix
Square the input
Divisible by 2
multiple of nine?
Convert from integer to binary
Ratio between sum of primes and sum of factors
Check if is a square
Sum of a geometric series
Alternating 1´s and 0´s in a matrix
Get the value 100
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