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What is the Least Common Multiple of 18729 and 18734?

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 18729 and 18734 is 350869086.

LCM(18729,18734) = 350869086

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Least Common Multiple of 18729 and 18734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18729 and 18734, than apply into the LCM equation.

GCF(18729,18734) = 1
LCM(18729,18734) = ( 18729 × 18734) / 1
LCM(18729,18734) = 350869086 / 1
LCM(18729,18734) = 350869086

Least Common Multiple (LCM) of 18729 and 18734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18729 and 18734. First we will calculate the prime factors of 18729 and 18734.

Prime Factorization of 18729

Prime factors of 18729 are 3, 2081. Prime factorization of 18729 in exponential form is:

18729 = 32 × 20811

Prime Factorization of 18734

Prime factors of 18734 are 2, 17, 19, 29. Prime factorization of 18734 in exponential form is:

18734 = 21 × 171 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 18729 and 18734.

LCM(18729,18734) = 32 × 20811 × 21 × 171 × 191 × 291
LCM(18729,18734) = 350869086