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

holey primes are primes that have only digits with holes, i.e., 0, 4, 6, 8, or 9. E.g., 4649 and 959340004(9)593.




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