17211...98897 (1000-digits)

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

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The first titanic prime to occur on the right-side of an infinite descending concatenation of the natural integers (1172 to 897) by deleting the leftmost digit of the larger number (1172). [Rivera]

Submitted: 2020-07-16 13:20:43; Last Modified: 2020-07-16 13:54:25.