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amber15

  • 3 years ago

is 1730 divisible by 21? just wondering if it is

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  1. skullpatrol
    • 3 years ago
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    Any ideas?

  2. amber15
    • 3 years ago
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    i dont think it is

  3. skullpatrol
    • 3 years ago
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    Why do you think that?

  4. amber15
    • 3 years ago
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    changed my mind i think it is yes

  5. rajee_sam
    • 3 years ago
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    it should be divisible both by 3 and by 7 then it will be

  6. rajee_sam
    • 3 years ago
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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

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