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Digits 1-7 (Posted on 2009-03-30) Difficulty: 2 of 5
A seven digit positive octal integer X is constituted by arranging the nonzero octal digits 1-7 in some order, so that:
  • The octal number formed by the first two digits is divisible by 2.
  • The octal number formed by the first three digits is divisible by 3.
  • The octal number formed by the first four digits is divisible by 4.
  • and, so on up to seven digits...
Determine all possible value(s) that X can assume.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
re(2): computer solutionbrianjn2009-03-31 02:05:19
re(2): computer solutionCharlie2009-03-30 17:50:25
Solutionweb is helpfulAdy TZIDON2009-03-30 17:09:09
re: computer solutionStephanie2009-03-30 16:52:35
Hints/TipsCasting out 7'sSteve Herman2009-03-30 15:29:41
Solutioncomputer solutionCharlie2009-03-30 13:47:39
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