[1,2,3,2,5,3,7,2,3,5,11,3,13,7,15,2,17,3,19,5,7, 11,23,3,5,13,3,7,29,15,31,2,33,17,35,3,37,19,13,5, 41,7,43,11,15,23,47,3,7,5,51,13,53,3,11,7,19,29, 59,15,61,31,7,2,65,33,67,17,69,35,71,3,73,37,15, 19,77,13,79,5,3]