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Fifth powers (Posted on 2013-01-06) Difficulty: 3 of 5
Given that n5 = 1335 + 1105 + 845 + 275.
Find that value of n using only pen and paper.

No Solution Yet Submitted by Danish Ahmed Khan    
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re: my way | Comment 6 of 8 |
(In reply to my way by Ady TZIDON)

The last digit of 5TH POWER OF ANY NUMBER IS ALWAYS
  the SAME AS  The last digit of THAT NUMBER.

I never knew this fact.  It does make the problem much easier. 

I also fixed my post. 

  Posted by Jer on 2013-01-07 12:45:56

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