Halvor Strand

Information Geeking, Information, Programming, Sparetime, Squash

	public static boolean isPrime(int x)
	{
		if(x < 3)
			return (x == 2);

		for(int i = 3; i <= Math.sqrt(x); i++)
			if(x % i == 0)
				return false;

		return true;
	}

Code

XKCD

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