Find the HCF and LCM of 45,86
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Answer:the lcm of 45 and 86 can be found using the prime factorization of 45 and 86: The prime factorization of 45 is: 3 x 3 x 5. The prime factorization of 86 is: 2 x 43. Eliminate the duplicate factors of the two lists, then multiply them once with the remaining factors of the lists to get lcm(45,45) = 3870.
HCF The prime factorization of 86 is: 2 x 43. The prime factors and multiplicities 45 and 86 have in common are: 1. 1 is the hcf of 45 and 86. Hcf(45,86) = 1.
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