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12 votes
What is the HCF and LCM of 18 , 42 ,90

2 Answers

10 votes
The HCF of 18 42 and 90 is 6, and for the LCM for 18 42 and 90 is 630.
User Dbb
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10 votes
lcm is 630



hcf is 6
since only 3 and 6 fits into all of them but 6 is bigger and asks for highest common factor so 6
User Phucnh
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