lcm for 7,21 and 28 with division method
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The Lcm of 7, 21 nd 28 is 84.
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LCM for 7, 21 and 28 by division method Factorization
Prime factorization of 21 and 28 is (3 × 7) = 31 × 71 and (2 × 2 × 7) = 22 × 71 respectively. LCM of 21 and 28 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 22 × 31 × 71 = 84. Hence, the LCM of 21 and 28 by prime factorization is 84.
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