1681

This number is a composite.

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

+ First square K with prime triplets K-18, K-14, K-12, K+12, K+16, K+18 as nearest primes (next one, if any, is over 10^7). [Wood]

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