Enigma 1189: Prime performance
14 December 2015
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From New Scientist #2345, 1st June 2002 [link]
I recently bought a compilation of archive recordings by the Prime Players, issued as a set of three CDs. Each CD has a different playing time of not more than one hour and contains four tracks. Within each CD each track lasts a different prime whole number of minutes, and any combination of three different tracks on that CD lasts a prime whole number of minutes.
For each CD, give its playing time and the length of its longest track.