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ABC = A! + B! + C! (Posted on 2008-09-13) Difficulty: 2 of 5
Find, analytically, all three digit numbers that equal the sum of the factorials of their digits. That is:

ABC = A! + B! + C!

See The Solution Submitted by pcbouhid    
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Answer | Comment 3 of 6 |
(A, B, C) = (1, 4, 5).

Edited on January 2, 2009, 2:04 pm
  Posted by K Sengupta on 2009-01-01 16:11:21

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