66655...22221 (54-digits)

This number is a prime.

6665 5554466335 5226600551 1444433332 2440000331 1110022221

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

The largest prime obtained by laying down 27 valid domino pieces. Omitted piece 6-1. Found By G. Daddario. [Rivera]

Submitted: 2019-06-03 15:23:02; Last Modified: 2019-06-03 16:04:22.