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What is the Least Common Multiple of 18745 and 18753?

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 18745 and 18753 is 351524985.

LCM(18745,18753) = 351524985

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Least Common Multiple of 18745 and 18753 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18745 and 18753, than apply into the LCM equation.

GCF(18745,18753) = 1
LCM(18745,18753) = ( 18745 × 18753) / 1
LCM(18745,18753) = 351524985 / 1
LCM(18745,18753) = 351524985

Least Common Multiple (LCM) of 18745 and 18753 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18745 and 18753. First we will calculate the prime factors of 18745 and 18753.

Prime Factorization of 18745

Prime factors of 18745 are 5, 23, 163. Prime factorization of 18745 in exponential form is:

18745 = 51 × 231 × 1631

Prime Factorization of 18753

Prime factors of 18753 are 3, 7, 19, 47. Prime factorization of 18753 in exponential form is:

18753 = 31 × 71 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 18745 and 18753.

LCM(18745,18753) = 51 × 231 × 1631 × 31 × 71 × 191 × 471
LCM(18745,18753) = 351524985