[2,3,5,7,11,13,17,23,31,37,41,43,47,53,61,67,71, 73,83,101,103,107,113,127,131,137,151,157,163,167, 173,181,211,223,227,233,241,251,257,263,271,277, 281,283,307,311,313,317,331,337,347,353,367,373, 383,401,421]