Meissel–Mertens constant: Difference between revisions

=={{header|Dart}}==

{{trans|FreeBASIC}}

<syntaxhighlight lang="dart">import 'dart:math';

bool isPrime(var n) {

if (n <= 1) return false;

if (n == 2) return true;

for (var i = 2; i <= sqrt(n); i++) if (n % i == 0) return false;

return true;

}

void main() {

const double euler = 0.57721566490153286;

double m = 0.0;

for (var x = 2; x <= 1e8; x++)

if (isPrime(x)) m += log(1 - (1 / x)) + (1 / x);

print('MM = ${euler + m}');

}</syntaxhighlight>

{{out}}

<pre>MM = 0.2614972131057144</pre>