This number is a prime.
Single Curio View: (Seek other curios for this number)43^43 + 4 is prime. 43 is the smallest (and perhaps only) prime p such that p^p + (largest digit of p) is also prime. [Earls]
Submitted: 2004-07-14 17:02:49; Last Modified: 2008-01-30 11:28:00.
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