Smarandache–Wellin质数（英文：Smarandache–Wellin prime）是将前n个质数照顺序写在一起组成的新数（Smarandache–Wellin数）且本身也是质数的数。前三个Smarandache–Wellin质数为：2,23和2357（）。第四个Smarandache–Wellin质数有355位数，其结尾质数是719。Smarandache–Wellin质数是同时兼具Smarandache–Wellin数和质数性质的数。组成各个Smarandache–Wellin质