1425172824437699411

This number is a prime.

                                                        142517282 4437699411

The largest known gap 1476 between consecutive primes follows the prime 1425172824437699411. Jonathan Vos Post notes that 1149967344282715241 is also prime, so the record prime is an emirp! Reference: p.12 of "Some heuristic on the gaps between consecutive primes", Marek Wolf (submitted on 2 Feb 2011). [Post]