numerele:21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99,101,103,105,107,109,111,113,115,117,119,123,125,127,129,131,133,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165,167,169,171,173.de tot sunt75
