find the HCf and LCM of 20 and 40
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Answered by
3
Answer:
The common factors of 20 and 40 are 20, 10, 5, 4, 2, 1, intersecting the two sets above. In the intersection factors of 20 ∩ factors of 40 the greatest element is 20. Therefore, the greatest common factor of 20 and 40 is 20.
Answered by
6
Answer:
HCF is 20
LCM is 40
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