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What is the Least Common Multiple of 30180 and 30190?

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 30180 and 30190 is 91113420.

LCM(30180,30190) = 91113420

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Least Common Multiple of 30180 and 30190 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30180 and 30190, than apply into the LCM equation.

GCF(30180,30190) = 10
LCM(30180,30190) = ( 30180 × 30190) / 10
LCM(30180,30190) = 911134200 / 10
LCM(30180,30190) = 91113420

Least Common Multiple (LCM) of 30180 and 30190 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30180 and 30190. First we will calculate the prime factors of 30180 and 30190.

Prime Factorization of 30180

Prime factors of 30180 are 2, 3, 5, 503. Prime factorization of 30180 in exponential form is:

30180 = 22 × 31 × 51 × 5031

Prime Factorization of 30190

Prime factors of 30190 are 2, 5, 3019. Prime factorization of 30190 in exponential form is:

30190 = 21 × 51 × 30191

Now multiplying the highest exponent prime factors to calculate the LCM of 30180 and 30190.

LCM(30180,30190) = 22 × 31 × 51 × 5031 × 30191
LCM(30180,30190) = 91113420