find the LCM of 36,40,126 by prime factorisation method
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Step-by-step explanation:
LCM of 40, 36, and 126 by Prime Factorization
LCM of 40, 36, and 126 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 23 × 32 × 51 × 71 = 2520. Hence, the LCM of 40, 36, and 126 by prime factorization is 2520.
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→ GCF of 15 and 45 by Prime Factorization
As visible, 15 and 45 have common prime factors. Hence, the GCF of 15 and 45 is 3 × 5 = 15.
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