99971919197

This number is a prime.

9 9971919197

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The largest prime in a 11x11 prime-magical square discovered by Jurgen T.W.A. Baumann in 1999: each row, column and main diagonal are emirps. [Rivera]

Submitted: 2013-09-15 00:51:09; Last Modified: 2019-04-23 15:35:12.