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How do you know that 5, 7, 8, 9, 10, and 11 are not factors of 12?

1 Answer

4 votes

Answer :

Factors of 12 are


1 * 12 \\ 2 * 6 \\ 3 * 4.

  1. 5 multiplied by any number can never give 12 . Multiples of 5 are

  2. 5 \: 10 \: 15 \: 20
  3. 7 multiples are

  4. 7 \: 14 \: 21
  5. Same applies for all the listed numbers
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User Nasha
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