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What is the Least Common Multiple of 30543 and 30555?

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 30543 and 30555 is 311080455.

LCM(30543,30555) = 311080455

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Least Common Multiple of 30543 and 30555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30543 and 30555, than apply into the LCM equation.

GCF(30543,30555) = 3
LCM(30543,30555) = ( 30543 × 30555) / 3
LCM(30543,30555) = 933241365 / 3
LCM(30543,30555) = 311080455

Least Common Multiple (LCM) of 30543 and 30555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30543 and 30555. First we will calculate the prime factors of 30543 and 30555.

Prime Factorization of 30543

Prime factors of 30543 are 3, 10181. Prime factorization of 30543 in exponential form is:

30543 = 31 × 101811

Prime Factorization of 30555

Prime factors of 30555 are 3, 5, 7, 97. Prime factorization of 30555 in exponential form is:

30555 = 32 × 51 × 71 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 30543 and 30555.

LCM(30543,30555) = 32 × 101811 × 51 × 71 × 971
LCM(30543,30555) = 311080455