as described in the title.
as described in the title.
function primes(n) {
var p = []
var c = new Array(n).fill(false);
for (var i = 2; i < n; PPi) {
if (!c[i]) {
p.push(i);
for (var j = i + i; j < n; j += i) {
c[j] = true;
}
}
}
return p;
}
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