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What is the Least Common Multiple of 39189 and 39198?

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 39189 and 39198 is 512043474.

LCM(39189,39198) = 512043474

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Least Common Multiple of 39189 and 39198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39189 and 39198, than apply into the LCM equation.

GCF(39189,39198) = 3
LCM(39189,39198) = ( 39189 × 39198) / 3
LCM(39189,39198) = 1536130422 / 3
LCM(39189,39198) = 512043474

Least Common Multiple (LCM) of 39189 and 39198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39189 and 39198. First we will calculate the prime factors of 39189 and 39198.

Prime Factorization of 39189

Prime factors of 39189 are 3, 13063. Prime factorization of 39189 in exponential form is:

39189 = 31 × 130631

Prime Factorization of 39198

Prime factors of 39198 are 2, 3, 47, 139. Prime factorization of 39198 in exponential form is:

39198 = 21 × 31 × 471 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 39189 and 39198.

LCM(39189,39198) = 31 × 130631 × 21 × 471 × 1391
LCM(39189,39198) = 512043474