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).

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

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]