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What is the Least Common Multiple of 54180 and 54198?

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 54180 and 54198 is 163135980.

LCM(54180,54198) = 163135980

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Least Common Multiple of 54180 and 54198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54180 and 54198, than apply into the LCM equation.

GCF(54180,54198) = 18
LCM(54180,54198) = ( 54180 × 54198) / 18
LCM(54180,54198) = 2936447640 / 18
LCM(54180,54198) = 163135980

Least Common Multiple (LCM) of 54180 and 54198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54180 and 54198. First we will calculate the prime factors of 54180 and 54198.

Prime Factorization of 54180

Prime factors of 54180 are 2, 3, 5, 7, 43. Prime factorization of 54180 in exponential form is:

54180 = 22 × 32 × 51 × 71 × 431

Prime Factorization of 54198

Prime factors of 54198 are 2, 3, 3011. Prime factorization of 54198 in exponential form is:

54198 = 21 × 32 × 30111

Now multiplying the highest exponent prime factors to calculate the LCM of 54180 and 54198.

LCM(54180,54198) = 22 × 32 × 51 × 71 × 431 × 30111
LCM(54180,54198) = 163135980