3 years ago

Work out the highest common factor (HCF) of 18 and 30

Mathematics

1 answer:

Paraphin [41]3 years ago

3 0

$18 = 2\times 3 \times 3\\\\30 = 2 \times 3 \times 5\\\\\text{HCF}~ = 2\times 3 = 6$

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