hcf is 100
lcm is 4000
500 = 22 x 53
800 = 25 x 52
hcf = 22 x 52 = 100
lcm = 25 x 53 = 4000
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The HCF is: 2The LCM is: 2,520
hcf = 42, lcm = 84.
HCF is 48 and LCM is 576
hcf: 1 lcm: 112,038
No. The LCM MUST be a multiple of the HCF.