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What is the Least Common Multiple of 54456 and 54468?

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 54456 and 54468 is 247175784.

LCM(54456,54468) = 247175784

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Least Common Multiple of 54456 and 54468 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54456 and 54468, than apply into the LCM equation.

GCF(54456,54468) = 12
LCM(54456,54468) = ( 54456 × 54468) / 12
LCM(54456,54468) = 2966109408 / 12
LCM(54456,54468) = 247175784

Least Common Multiple (LCM) of 54456 and 54468 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54456 and 54468. First we will calculate the prime factors of 54456 and 54468.

Prime Factorization of 54456

Prime factors of 54456 are 2, 3, 2269. Prime factorization of 54456 in exponential form is:

54456 = 23 × 31 × 22691

Prime Factorization of 54468

Prime factors of 54468 are 2, 3, 17, 89. Prime factorization of 54468 in exponential form is:

54468 = 22 × 32 × 171 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 54456 and 54468.

LCM(54456,54468) = 23 × 32 × 22691 × 171 × 891
LCM(54456,54468) = 247175784