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What is the Least Common Multiple of 30189 and 30205?

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 30189 and 30205 is 911858745.

LCM(30189,30205) = 911858745

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Least Common Multiple of 30189 and 30205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30189 and 30205, than apply into the LCM equation.

GCF(30189,30205) = 1
LCM(30189,30205) = ( 30189 × 30205) / 1
LCM(30189,30205) = 911858745 / 1
LCM(30189,30205) = 911858745

Least Common Multiple (LCM) of 30189 and 30205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30189 and 30205. First we will calculate the prime factors of 30189 and 30205.

Prime Factorization of 30189

Prime factors of 30189 are 3, 29, 347. Prime factorization of 30189 in exponential form is:

30189 = 31 × 291 × 3471

Prime Factorization of 30205

Prime factors of 30205 are 5, 7, 863. Prime factorization of 30205 in exponential form is:

30205 = 51 × 71 × 8631

Now multiplying the highest exponent prime factors to calculate the LCM of 30189 and 30205.

LCM(30189,30205) = 31 × 291 × 3471 × 51 × 71 × 8631
LCM(30189,30205) = 911858745