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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)Largest non-titanic prime, that is the product of a repunit number and all its truncations plus eight, i.e., 111111111111111111111111111111111*11111111111111111111111111111111....*1111*111*11*1 + 8. [Gupta]
Submitted: 2019-08-16 12:28:32; Last Modified: 2019-08-18 18:52:38.
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