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What is the Least Common Multiple of 5478 and 5493?

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 5478 and 5493 is 10030218.

LCM(5478,5493) = 10030218

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Least Common Multiple of 5478 and 5493 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5478 and 5493, than apply into the LCM equation.

GCF(5478,5493) = 3
LCM(5478,5493) = ( 5478 × 5493) / 3
LCM(5478,5493) = 30090654 / 3
LCM(5478,5493) = 10030218

Least Common Multiple (LCM) of 5478 and 5493 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5478 and 5493. First we will calculate the prime factors of 5478 and 5493.

Prime Factorization of 5478

Prime factors of 5478 are 2, 3, 11, 83. Prime factorization of 5478 in exponential form is:

5478 = 21 × 31 × 111 × 831

Prime Factorization of 5493

Prime factors of 5493 are 3, 1831. Prime factorization of 5493 in exponential form is:

5493 = 31 × 18311

Now multiplying the highest exponent prime factors to calculate the LCM of 5478 and 5493.

LCM(5478,5493) = 21 × 31 × 111 × 831 × 18311
LCM(5478,5493) = 10030218