Enter the number you want to factor. Then, enter the delay between steps. 0 = Run without screen refresh. 0+ = Visualize steps; each pixel is one if check. Use Space to show the step counter. It reports the amount of if checks that have been done.
It's just slightly optimized trial and error. Not that fast. You can't use it to hack someone. I literally made this at 12:30am. Finished it in the day. 2266324079
