1252099518401

This number is a prime.

125 2099518401

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(4^4)^5 + (5^4)^4 is prime. Note that (4^4)^5 = 1099511627776, and after adding (5^4)^4 we obtain our prime number 1252099518401 which contains "09951" too! Note also that 9951 = 31*321 and 123*13 = 1599. [Kulsha]

Submitted: 2001-07-18 23:03:44; Last Modified: 2008-01-30 17:28:00.