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  1. Prepare
  2. Mathematics
  3. Number Theory
  4. A Very Special Multiple
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A Very Special Multiple

  • chaayac
     + 0 comments

    Can someone explain why the answer to X=81 is Z=162?

    With manual calculations, I get Q=400,000,000,000,000,000 (Z=19) as the answer.

    Am I missing something?