[23,37,53,73,127,139,149,151,157,163,167,173,181, 191,193,197,199,211,223,227,229,233,241,251,257, 263,269,271,277,283,307,313,331,337,347,349,353, 373,379,383,389,401,421,431,433,439,443,449,457, 461,463,467,487,491,499]