function RunPrimesTest() {
	var startTime = new Date();
	
	var curNum, primesFound;
	curNum = 3;
	primesFound = 0;

	var now = new Date();
	while (now.getTime()-startTime.getTime()<LengthPerTest) {

		//Is curNum a prime number?
		for(var i=2;i<curNum;i++) {
			if (curNum % i == 0) {
				primesFound += 1;
				break;
			}
		}
		
		curNum += 1;
		now = new Date();
	}
		
	var adjustedLength;
	adjustedLength = primesFound/(now.getTime()-startTime.getTime());

	return adjustedLength;
}