47867...11079 (26-digits)

This number is a prime.

                                                478677 4223206688 0047611079

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Zhi-Wei Sun [Sun2000] extended the work of Cohen and Selfridge slightly to show that none of the numbers 47867742232066880047611079 + 66483084961588510124010691590k can be written as a sum or difference of two prime powers. [Caldwell]

Submitted: 2008-02-26 08:42:15;   Last Modified: 2010-06-30 11:21:20.
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