5381

This number is a prime.

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A term in a decreasing sequence of primes leading to the first prime number, involving the recursive use of the prime counting function: π(5381) = 709, π(709) = 127, ... , π(3) = 2.

Submitted: 2000-06-26 15:43:55; Last Modified: 2008-08-01 00:24:43.