SieveOfErathostenes: 25: 0h 0m 0.944s 50: 0h 0m 1.676s 75: 0h 0m 2.499s 100: 0h 0m 3.507s 125: 0h 0m 4.94s 150: 0h 0m 4.822s 175: 0h 0m 5.657s 200: 0h 0m 6.789s 225: 0h 0m 8.39s 250: 0h 0m 8.266s 275: 0h 0m 9.278s 300: 0h 0m 11.271s 325: 0h 0m 11.115s 350: 0h 0m 11.930s 375: 0h 0m 12.447s 400: 0h 0m 13.517s 425: 0h 0m 15.33s 450: 0h 0m 14.392s 475: 0h 0m 15.769s 500: 0h 0m 16.596s 525: 0h 0m 18.457s 550: 0h 0m 18.174s 575: 0h 0m 18.868s 600: 0h 0m 21.158s 625: 0h 0m 21.297s 650: 0h 0m 22.824s 675: 0h 0m 23.203s 700: 0h 0m 24.403s 725: 0h 0m 25.177s 750: 0h 0m 25.114s 775: 0h 0m 25.919s 800: 0h 0m 26.838s 825: 0h 0m 29.357s 850: 0h 0m 28.329s 875: 0h 0m 28.985s