99999...04411 (34-digits)

This number is a prime.

9999 9999998888 8888866666 6644404411

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The largest prime p with only nonprime digits d containing each of them exactly (d+1) times. [Loungrides]

Submitted: 2010-04-22 14:39:25; Last Modified: 2010-04-22 23:31:54.