This number is a prime.

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

+ 619 is the largest prime P3 of a trĂ­o of non consecutive primes P1, P2 and P3, {487,523,619}, such that their concatenations P1.P2.P3 is a zero-less pandigital and at the same time, P3-P1 is minimal. [Rivera]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell