Please change the example [188 289] in your problem description to [188 189], as I believe [188 289] should return [9 1], rather than [9 9]. (By the way, great job picking 189 to use for a check. Right at the end of the two-digit numbers.)
uint8 is our friend.
Find the numeric mean of the prime numbers in a matrix.
Clean the List of Names
Project Euler: Problem 3, Largest prime factor
Determine Whether an array is empty
The Top 5 Primes
Conjunctive Normal Form
Disjunctive Normal Form
nth Rational Number
Number of cyles and fixed points in a permutation
Number of paths on a grid
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