Be careful, I've implemented the sieve, but not all versions of it are sufficiently fast to handle the biggest numbers in the test suite.
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This doesn't use primes(x),but still feels a little like cheating.
The whole point of using the sieve is not knowing which numbers are prime. So it is no different than sum(primes).
given 3 sides, find area of this triangle
Project Euler: Problem 10, Sum of Primes
Convert a numerical matrix into a cell array of strings
Reverse the elements of an array
Determine the square root
Find files with extension ext in the current directory
Longest Collatz Sequence
How to reverse spdiags?
Find my secret number
Add more zeros
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