15850...86241 (542-digits)

This number is a prime.

Single Curio View: (Seek other curios for this number)

Removing the first and last 1's from this prime gives a square: (18^215)^2. Certified prime with Primo. [Earls]

Submitted: 2002-11-08 16:47:59; Last Modified: 2008-01-30 17:28:00.