18769...17689 (25-digits)

This number is a prime.

                                                 18769 1849618225 1795617689

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The smallest prime formed from reverse concatenation of five consecutive squares, i.e., 18769, 18496, 18225, 17956, and 17689. [Gupta]

Submitted: 2005-05-03 06:29:20;   Last Modified: 2008-01-30 11:28:00.
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