Question

find the GCF of 18, 30, 45 by prime factorization method​

Answer 1

Step-by-step explanation:

The HCF or GCF of 18, 30, 45 by prime factorisation, we have

$18 = 2 \times 3 \times 3 \\ 30 = 2 \times 3 \times 5 \\ 45 = 3 \times 3 \times 5 \\ therefore \: the \: hcf \: or \: gcf \: of \: 18 \: 30 \: and \: 45 = \\ \: 3 \times 3 \times 3 = 27$

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Answer 2

Answer:

3

Step-by-step explanation: