10000...20379 (666-digits)
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
Single Curio View: (Seek other curios for this number)
The smallest 666-digit prime twin. [Gaydos]
Submitted: 2021-04-18 23:00:15; Last Modified: 2023-10-07 19:48:49.
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