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

Mathematics

1 answer:

Mrrafil [7]3 years ago

6 0

Answer :

Factors of 12 are

$1 \times 12 \\ 2 \times 6 \\ 3 \times 4.$

5 multiplied by any number can never give 12 . Multiples of 5 are
$5 \: 10 \: 15 \: 20$
7 multiples are
$7 \: 14 \: 21$
Same applies for all the listed numbers

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