77777...14913 (77777-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 'Stath': (Click here to show all)

7*((10^77777-1)/9)-81432*2 is a lucky 77777-digit number, with 77771 sevens in a row! [Stath]