ID  NAME  QUALITY  USERS  ACC %  DIFFICULTY C I 

6489  Finding the Kth Prime (Hard)  5  66 


6488  Printing some primes (Hard)  10  133 


40506  Eratosthenes Prime numbers  4  72 


6470  Finding the Kth Prime  43  6114 


6471  Printing some primes  65  5991 

#sieveoferatosthenes
one of a number of prime number sieves, is a simple, ancient algorithm for finding all prime numbers up to any given limit
https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes http://mathworld.wolfram.com/SieveofEratosthenes.html https://www.khanacademy.org/computing/computerscience/cryptography/compnumbertheory/v/sieveoferatosthenesprimeadventurepart4 https://www.youtube.com/watch?v=V08g_lkKj6Q  video presenting a sieve