22222...22221 (100-digits)
This number is a prime.
2222222222 2222222222 2222222222
2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222221
Just showing those entries submitted by 'Wesolowski': (Click here to show all)
The smallest 100-digit near-repdigit (other than near-repunit) prime. [Wesolowski]
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