Honaker's problem
(another Prime Pages' Glossary entries)
The Prime Glossary
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).




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