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What is the Least Common Multiple of 18765 and 18777?

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 18765 and 18777 is 117450135.

LCM(18765,18777) = 117450135

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Least Common Multiple of 18765 and 18777 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18765 and 18777, than apply into the LCM equation.

GCF(18765,18777) = 3
LCM(18765,18777) = ( 18765 × 18777) / 3
LCM(18765,18777) = 352350405 / 3
LCM(18765,18777) = 117450135

Least Common Multiple (LCM) of 18765 and 18777 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18765 and 18777. First we will calculate the prime factors of 18765 and 18777.

Prime Factorization of 18765

Prime factors of 18765 are 3, 5, 139. Prime factorization of 18765 in exponential form is:

18765 = 33 × 51 × 1391

Prime Factorization of 18777

Prime factors of 18777 are 3, 11, 569. Prime factorization of 18777 in exponential form is:

18777 = 31 × 111 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 18765 and 18777.

LCM(18765,18777) = 33 × 51 × 1391 × 111 × 5691
LCM(18765,18777) = 117450135