Prime Curios!: 2531

2531
(another Prime Pages' Curiosity)

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This prime permutes the first 4 noncomposite digits, and inserting operators becomes 2^53 - 1 = 9007199254740991; the largest prime that is currently supported by this site's JavaScript program. [Post]

Submitted: 2008-07-11 11:26:10; Last Modified: 2008-07-17 12:33:24.