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What is the Least Common Multiple of 20793 and 20811?

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 20793 and 20811 is 144241041.

LCM(20793,20811) = 144241041

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Least Common Multiple of 20793 and 20811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20793 and 20811, than apply into the LCM equation.

GCF(20793,20811) = 3
LCM(20793,20811) = ( 20793 × 20811) / 3
LCM(20793,20811) = 432723123 / 3
LCM(20793,20811) = 144241041

Least Common Multiple (LCM) of 20793 and 20811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20793 and 20811. First we will calculate the prime factors of 20793 and 20811.

Prime Factorization of 20793

Prime factors of 20793 are 3, 29, 239. Prime factorization of 20793 in exponential form is:

20793 = 31 × 291 × 2391

Prime Factorization of 20811

Prime factors of 20811 are 3, 7, 991. Prime factorization of 20811 in exponential form is:

20811 = 31 × 71 × 9911

Now multiplying the highest exponent prime factors to calculate the LCM of 20793 and 20811.

LCM(20793,20811) = 31 × 291 × 2391 × 71 × 9911
LCM(20793,20811) = 144241041