218549
This number is a prime.
The smallest Honaker prime p such that {p, p+2} and {p*(p+1)*(p+2)-1, p*(p+1)*(p+2)+1} are two sets of twin primes, i.e., {218549,218551} and {10438844601156449, 10438844601156451}. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell