
Glossary: Prime Pages: Top 5000: 
Honaker's problem asks for all consecutive prime number triples (p, q, r) with p < q < r such that p divides qr+1. It is likely that the only such triplets are (2, 3, 5), (3, 5, 7), and (61, 67, 71).
Chris K. Caldwell © 19992017 (all rights reserved)
