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Conjecture by Zhi-Wei Sun to be the largest power (53) for which there is no prime between it and the previous power (112). The other prime gaps between powers are in (23, 32), (25, 62) and (52, 33). [Caldwell]


  Submitted: 2006-05-19 08:49:01;   Last Modified: 2008-01-30 11:28:00.

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