因为151即是一个质数又是一个回文数(从左到右和从右到左是看一样的)，所以 151 号是回文质数。 写一个程序来找出范围[a,b](5 <= a < b <= 100,000,000)间的所有回文质数 -The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backw