67707...57161 (15290-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 'Sariyar': (Click here to show all)

As of June 2020, the only known probable prime of the form ((p-1)^q+1)/p, where p and q form a twin prime pair {4217, 4219}. See PC11. [Sariyar]