[2,3,5,7,13,17,19,23,29,31,37,41,43,47,53,59,61, 67,71,73,79,83,89,97,103,107,109,113,127,131,137, 139,149,151,157,163,167,173,179,181,191,193,197, 199,211,223,227,229,233,239,241,251,257,263,269, 271,277,281]