This number is a composite.

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448 is the smallest number m such that three numbers, prime(m) - m, prime(m^2) - m^2 & prime(m^3) - m^3, are primes. [Firoozbakht]

Submitted: 2004-07-21 23:52:10;   Last Modified: 2008-01-30 11:28:00.
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