Mike Anderson mike-anderson
mike-anderson
/ gist:5841584
Created
June 22, 2013 17:00
incremental sieve of Eratosthenes
Based on the python implementation https://gist.github.com/Jach/1761175
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| sieve = function (size) { | |
| var primes = [], | |
| i = 2, | |
| nonprimes = {}; | |
| while (primes.length < size) { | |
| if (nonprimes[i] == undefined) { | |
| primes.push(i); | |
| nonprimes[i*i] = [i]; | |
| } else { |
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