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Q: How do you find HCF if Lcm is 108?

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124

27 and 108 respectively

HCF of 12 and 18 is 6 and LCM of 108 and 72 is 216 So: 6 times 216 = 1296

22 x 33 is the prime factorization of 108. If you have another prime factorization, we can find a GCF and an LCM between the two.

Its is 12

LCM = Product/HCF = 384

Most times the question will specify "find the HCF" or "find the LCM." If you're trying to find common denominators, that's an LCM problem. If you're trying to reduce fractions, that's an HCF problem.

if the product of two numbers is 810 if there hcf is 9 find Lcm

For any two counting numbers x and y:LCM(x, y) x HCF(x, y) = Product of x and yLCM(x, y) = (Product of x and y)/HCF(x, y)Here, we have 108 and 135 & their product = 108 x 135But, HCF(108, 135) = ?So, we shall first calculate HCF by the method of prime factorization.108 = 33x22 & 135 = 33x51It is clear that 33 is the HCF of 108 and 135.So, LCM(108, 135) = (108 x 135)/33 = 4 x 135 = 540

Yes: product of a & b = LCM x HCF so b = (LCM x HCF)/a

LCM of 4,9,27 is 108

You cannot. The numbers 2 and 12 have hcf = 2 and LCM = 12 The numbers 4 and 6 also have hcf = 2 and LCM = 12 So if you just knew the hcf and LCM you would not know which of the two was the required pair.

To find the LCM, you multiply the numbers together and then divide by the HCF. In this case, we don't know the numbers, but we have the HCF (13) and we have the product of the numbers (1690). Thus all you do is divide 1690 by 13 to get: 1690/13 = 130 And thus the LCM of two numbers whose hcf is 13 and product is 1690 is 130.

HCF of 17 and 68 is 17 ..( Lowest Prime factor ) LCM Of 102 and 476 is 7*2^2*3*17 which is 1428 .. ==> Sum of HCF and LCM are 1428+17= 1445 .

The GCF is 12.

LCM is 20 and the hcf is 10

HCF = 3... LCM = 18 !

hcf = 42, lcm = 84.

HCF is 48 and LCM is 576

HCF is 60 and the LCM is 360

hcf is 1 and LCM is 35

They are: LCM = 120 and hcf = 8

To find the LCM of two numbers, you first need to find the HCF. In this case, the HCF is clearly x. Next you multiply the numbers together and divide by the HCF. x(6x)/x = 6x. Therefore the LCM of x and 6x is 6x.

LCM is used to find the lowest common denominator in fractions HCF is used to reduce fractions to their simplest terms

The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.