Find the HCF of 30, 60, and 72 by prime factorization method
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5
Highest common Factor =6
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Step-by-step explanation:
(1) find prime factors of 30,60,72
(a)30=2*5*3
(b)60=2*2*5*3
(c)72=2*2*2*3*3
(2)take common no. from factors
of 60,30,72
=> 2&3
(3)multiply them
=> 2*3=6
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