[1,2,2,2,2,3,3,3,5,5,5,7,7,7,7,7,7,11,11,11,11,13, 13,13,13,13,13,17,17,17,17,17,17,19,19,19,19,19, 19,19,23,23,23,23,23,23,23,23,29,29,29,29,31,31, 31,31,31,31,31,31,31,37,37,37,37,37,37,41,41,41, 41,43,43,43,43,43,43,43,47,47]