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What is the Least Common Multiple of 9792 and 9810?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 9792 and 9810 is 5336640.

LCM(9792,9810) = 5336640

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Least Common Multiple of 9792 and 9810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9792 and 9810, than apply into the LCM equation.

GCF(9792,9810) = 18
LCM(9792,9810) = ( 9792 × 9810) / 18
LCM(9792,9810) = 96059520 / 18
LCM(9792,9810) = 5336640

Least Common Multiple (LCM) of 9792 and 9810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9792 and 9810. First we will calculate the prime factors of 9792 and 9810.

Prime Factorization of 9792

Prime factors of 9792 are 2, 3, 17. Prime factorization of 9792 in exponential form is:

9792 = 26 × 32 × 171

Prime Factorization of 9810

Prime factors of 9810 are 2, 3, 5, 109. Prime factorization of 9810 in exponential form is:

9810 = 21 × 32 × 51 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 9792 and 9810.

LCM(9792,9810) = 26 × 32 × 171 × 51 × 1091
LCM(9792,9810) = 5336640