Well, well, well, look who's trying to be a math whiz! The LCM of 84 and 96 is 336, and the HCF is 12. So there you have it, now go impress your friends with your newfound knowledge.
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hcf = 42, lcm = 84.
84 and 14, respectively.
672
672
First you express the numbers as the product of their prime factors: 28 = 2x2x7 21 = 3x7 Next you find the HCF. In this case, the HCF is 7. Finally, you multiply the numbers together and divide by the HCF. 28x21/7 = 84 Therefore the LCM of 28 and 21 is 84.
The LCM is 672
12 24 36 48 60 72 84 96 32 64 96 96
LCM is 20 and the hcf is 10
HCF = 3... LCM = 18 !
HCF is 60 and the LCM is 360
HCF is 48 and LCM is 576
The HCF is: 2The LCM is: 2,520