JavaScript - Primes

Calculates prime numbers, easy and simple, but slow.

Will also measure the execution time of JavaScript.

Start:
Stop:

Input range 3 to 2147483647. The primes 1 and 2 are not calculated.

Number of primes:	-
Execution time:	-

The execution time may be used as a benchmark of your browser and system.

Primes:

The measured execution time does not include the browser's update of the user interface.