11895...62303 (63-digits)

This number is a prime.

       118 9562420447 9516908934 7647552433 4041697195 8199258565 1032162303

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

An easy-to-remember prime with numerous fours: 4*44*444*…*44444444444-1. [Rivera]