Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of x.
The 3rd test case, for x = 100; is wrong. Please correct it.
Done! thank you!
Test Suite problem #3 has an incorrect value for y_correct.
The Goldbach Conjecture
Increment a number, given its digits
All your base are belong to us
matrix of natural number
Times 3 problem
Get the value 100
Approximate the inverse tangent by power series
Sum of a geometric series
Check if is a square
Say type of roots in quadratic equation
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