10110...98983 (58-digits)

This number is a prime.

             10110310 7109111317 1922329313 3741434753 5596167717 3797798983

The smallest prime formed from the concatenation of the first 29 primes (from 2 to 109): 101.103.107.109.11.13.17.19.2.23.29.31.3.37.41.43.47.53.5.59.61.67.71.73.7.97.79.89.83 By J. K. Andersen and Jan van Delden. [Rivera]