71737...57467 (62-digits)

This number is a prime.

        71 7374767971 0712713715 7167197227 2572773073 1733734736 7397457467

The larger of only two primes less than a googol formed by concatenating in order the first n primes ending with 7, (n=23). The previous is for n=5. [Loungrides]