[1,2,3,2,5,3,7,2,3,5,11,3,13,7,5,2,17,3,19,5,21, 11,23,3,5,13,3,7,29,5,31,2,11,17,7,3,37,19,39,5, 41,21,43,11,5,23,47,3,7,5,17,13,53,3,11,7,57,29, 59,5,61,31,21,2,65,11,67,17,23,7,71,3,73,37]