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What is the Least Common Multiple of 30380 and 30395?

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 30380 and 30395 is 184680020.

LCM(30380,30395) = 184680020

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Least Common Multiple of 30380 and 30395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30380 and 30395, than apply into the LCM equation.

GCF(30380,30395) = 5
LCM(30380,30395) = ( 30380 × 30395) / 5
LCM(30380,30395) = 923400100 / 5
LCM(30380,30395) = 184680020

Least Common Multiple (LCM) of 30380 and 30395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30380 and 30395. First we will calculate the prime factors of 30380 and 30395.

Prime Factorization of 30380

Prime factors of 30380 are 2, 5, 7, 31. Prime factorization of 30380 in exponential form is:

30380 = 22 × 51 × 72 × 311

Prime Factorization of 30395

Prime factors of 30395 are 5, 6079. Prime factorization of 30395 in exponential form is:

30395 = 51 × 60791

Now multiplying the highest exponent prime factors to calculate the LCM of 30380 and 30395.

LCM(30380,30395) = 22 × 51 × 72 × 311 × 60791
LCM(30380,30395) = 184680020