Thursday, November 10, 2011

Divisibility by 9

11/10/2011  VenoM  No comments

Only when the sum of the digits is divisible by 9.

Example:
  • 45936 is divisible since 4+5+9+3+6=27 is divisible by 9
  • 45901 is not since 4+5+9+0+1=19 is not divisible by 9.

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