This number is a prime.
Single Curio View: (Seek other curios for this number)Truncate the rightmost digit and divide the result by two. Repeat using the number so obtained until left with a single digit. This is the largest prime such that repeating this procedure yields a prime at every step. [Rupinski]
Submitted: 2003-03-17 14:54:05; Last Modified: 2009-01-06 14:36:45.
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