good prime
(another Prime Pages' Glossary entries)
The Prime Glossary
Glossary: Prime Pages: Top 5000:
GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

A prime pn is called a good prime if pn2 > pn-i * pn+i for 1 < i < n-1. The first few are 5, 11, 17, 29, 37, and 41.

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