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.
Project Euler: Problem 5, Smallest multiple
MATCH THE STRINGS (2 CHAR) very easy
factorial of a number x
Divisible by 5
Approximate the inverse tangent by power series
Double the next!
Sum of a geometric series
Alternating 1´s and 0´s in a matrix
Ratio between sum of primes and sum of factors
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office