11111...11111 (10000-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

Just showing those entries submitted by 'Wesolowski': (Click here to show all)

+ The number (1010000 - 1)/9 + 7*10885 is probably the smallest gigantic near-repunit prime. [Wesolowski]

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