57131...32089 (211-digits)

This number is a prime.

                                                                           5
7131931436 1731031091 3915118119 3199229241 2712833133 4942143346 3523571601
6196436618 1182382985 9883102110 3310511063 1093115312 3112791291 1303132114
2914531483 1489160916 2116691699 1723178918 7318791933 1951199920 2920832089

Just showing those entries submitted by 'McNeil': (Click here to show all)

The smallest prime multidigit concatenation of successive values of greater of twin primes. [Post , McNeil , and Brennen]