拼成的两位数分别是：
12,13,16,17,19,21,23,26,27,29,31,32,36,37,39,61,62,63,67,72,71,73,76,79,91,92,93,97
一共有28个两位数,其中质数有13,17,19,23,29,31,37,61,67,71,73,79,97共13个在这些数中质数有几个13个13个