6659073
This number is a composite.
The smallest Honaker prime that is the sum of the first n invertible primes, i.e., (19 + 61 + 109 + ... + 160009 + 160861), (case n = 121). [Jha]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell