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What is the Least Common Multiple of 54072 and 54090?

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 54072 and 54090 is 162486360.

LCM(54072,54090) = 162486360

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Least Common Multiple of 54072 and 54090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54072 and 54090, than apply into the LCM equation.

GCF(54072,54090) = 18
LCM(54072,54090) = ( 54072 × 54090) / 18
LCM(54072,54090) = 2924754480 / 18
LCM(54072,54090) = 162486360

Least Common Multiple (LCM) of 54072 and 54090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54072 and 54090. First we will calculate the prime factors of 54072 and 54090.

Prime Factorization of 54072

Prime factors of 54072 are 2, 3, 751. Prime factorization of 54072 in exponential form is:

54072 = 23 × 32 × 7511

Prime Factorization of 54090

Prime factors of 54090 are 2, 3, 5, 601. Prime factorization of 54090 in exponential form is:

54090 = 21 × 32 × 51 × 6011

Now multiplying the highest exponent prime factors to calculate the LCM of 54072 and 54090.

LCM(54072,54090) = 23 × 32 × 7511 × 51 × 6011
LCM(54072,54090) = 162486360