Reminds me of the time where I've implemented highly optimised version of Sieve of Eratosthenes in Java, just for a Code Golf Challenge. Memory Usage is greatl

Reminds me of the time where I've implemented highly optimised version of Sieve of Eratosthenes in Java, just for a Code Golf Challenge. Memory Usage is greatly reduced by using BitSet. https://github.com/krnaveen14/PrimeNumbers/blob/master/src/main/java/com/procreators/primenumber/CustomSieveOfEratosthenes.java https://github.com/krnaveen14/PrimeNumbers/blob/master/src/m... https://codegolf.stackexchange.com/a/66915/41984 https://codegolf.stackexchange.com/a/66915/41984 OMG, it's been 8 years already!