perplexus.info :: Just Math : Factorials and Powers

Factorials and Powers (Posted on 2009-04-22)

Determine all possible pair(s) (X, Y), with X being a prime and Y being a positive integer, that satisfy this equation:

(X-1)! + 1 = X^Y

No Solution Yet Submitted by K Sengupta

Rating: 4.0000 (2 votes)

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Starters

| Comment 3 of 10 |

(2,1), (3,1), (5,2) ...

Posted by ed bottemiller on 2009-04-22 14:29:46

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