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amber15 Group Title

is 1730 divisible by 21? just wondering if it is

  • one year ago
  • one year ago

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  1. skullpatrol Group Title
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    Any ideas?

    • one year ago
  2. amber15 Group Title
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    i dont think it is

    • one year ago
  3. skullpatrol Group Title
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    Why do you think that?

    • one year ago
  4. amber15 Group Title
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    changed my mind i think it is yes

    • one year ago
  5. rajee_sam Group Title
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    it should be divisible both by 3 and by 7 then it will be

    • one year ago
  6. rajee_sam Group Title
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    if you add all the digits it adds up to 11 which is not divisible by 3 . so this is not divisible by 21

    • one year ago
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