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What is the Least Common Multiple of 18742 and 18754?

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 18742 and 18754 is 175743734.

LCM(18742,18754) = 175743734

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Least Common Multiple of 18742 and 18754 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18742 and 18754, than apply into the LCM equation.

GCF(18742,18754) = 2
LCM(18742,18754) = ( 18742 × 18754) / 2
LCM(18742,18754) = 351487468 / 2
LCM(18742,18754) = 175743734

Least Common Multiple (LCM) of 18742 and 18754 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18742 and 18754. First we will calculate the prime factors of 18742 and 18754.

Prime Factorization of 18742

Prime factors of 18742 are 2, 9371. Prime factorization of 18742 in exponential form is:

18742 = 21 × 93711

Prime Factorization of 18754

Prime factors of 18754 are 2, 9377. Prime factorization of 18754 in exponential form is:

18754 = 21 × 93771

Now multiplying the highest exponent prime factors to calculate the LCM of 18742 and 18754.

LCM(18742,18754) = 21 × 93711 × 93771
LCM(18742,18754) = 175743734