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Cubic Diophantine Conclusion (Posted on 2016-04-22) Difficulty: 3 of 5
Each of A, B and C is a positive integer that satisfies this equation:

A3 + B3 = 31C3

Find the smallest value of A+B+C

See The Solution Submitted by K Sengupta    
Rating: 4.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Start | Comment 2 of 9 |
It has a solution for x=137, y=-65, z=42 (find it in google)
But here y is not a positive integer. The puzzle states that there are more solutions. Perhaps it is possible to calculate them from this one. 

  Posted by armando on 2016-04-22 17:39:38
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