2, 7, 17, 23, 31, 41, 47, 71, 73, 89, 97, 103, 113, 127, 137, 151, 167, 191, 193, 199, 223, 233, 239, 241, 257, 263, 271, 281, 311, 337, 353, 359, 367, 383, 401, 409, 431, 433, 439, 449, 457, 463, 479, 487, 503, 569, 577, 593, 601, 607, 617, 631, 641, 647