find LCM and HCF by prime factorization 17, 23 and 31
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Step-by-step explanation:
To find LCM, we need to multiply all the factors in each of the numbers. In the above, the factors are 2, 3, and 7. The maximum number of the common factor 2 on both sides is three, while 7 and 3 are one. Therefore, HCF is 23× 3 × 7 = 168.
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