8861

This number is a prime.

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

The largest four-digit prime ABCD for which AB + CD, A + BCD, ABC + D, and A + B + C + D are all prime. [Kilpatrick]

Submitted: 2006-03-10 19:59:13; Last Modified: 2008-01-30 17:28:00.