42594...72251 (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 in the rightmost position in an infinite concatenation of the prime integers in descending order (from the prime 4259 to the prime 2251). [Rivera]