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                                                478677 4223206688 0047611079

Just showing those entries submitted by 'Caldwell': (Click here to show all)

+ 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]




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