find the lcm by listing multiples of 4 and 16
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LCM of 4 and 16 by Prime Factorization
Prime factorization of 4 and 16 is (2 × 2) = 22 and (2 × 2 × 2 × 2) = 24 respectively. LCM of 4 and 16 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 24 = 16. Hence, the LCM of 4 and 16 by prime factorization is 16.
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factors of:-
4 = 2 × 2
16= 2 × 2 × 2 × 2
common factors = 2 × 2 × 2 × 2
= 4 × 4
= 16
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