81242...24221 (105-digits)

This number is a prime.

                                      81242 4864621021 0848646686 4210614424
1410246266 6102642412 1224210266 4662102641 4424248646 2462664246 2642424221

The smallest prime among concatenations of differences between consecutive primes. This is made by 93 consecutive primes: 8=487-479, 12=479-467, ..., 2=5-3, 1=3-2. [Poo Sung]