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Digital Dilemma (Posted on 2013-11-15) Difficulty: 3 of 5
Determine the respective last digit and the first digit (reading left to right) in the base ten expansion of


23232323

Remember that this is evaluated starting at the top-right and proceeding down and to the left.

No Solution Yet Submitted by K Sengupta    
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Some Thoughts computer-aided solution to part 1 | Comment 1 of 7

   10   A=modpow(23,23,1000000)
   20   B=modpow(23,A,1000000)
   30   C=modpow(23,B,1000000)
   40   print C

finds the last six digits as

 ...606247

 


  Posted by Charlie on 2013-11-15 12:16:03
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