find the hcf and lcm of 18, 63. verify that their product is equal to the product of the given number
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Answer:
the hcf of 18,63are9 and lcm 126
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Step-by-step explanation:
HCF
The factors of 63 are 63, 21, 9, 7, 3, 1. The common factors of 18 and 63 are 9, 3, 1, intersecting the two sets above. In the intersection factors of 18 ∩ factors of 63 the greatest element is 9. Therefore, the greatest common factor of 18 and 63 is 9.
LCM
lcm of 18 and 63 is 126. In common notation: lcm (18,63) = 126.
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