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What is the Least Common Multiple of 54378 and 54394?

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 54378 and 54394 is 1478918466.

LCM(54378,54394) = 1478918466

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Least Common Multiple of 54378 and 54394 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54378 and 54394, than apply into the LCM equation.

GCF(54378,54394) = 2
LCM(54378,54394) = ( 54378 × 54394) / 2
LCM(54378,54394) = 2957836932 / 2
LCM(54378,54394) = 1478918466

Least Common Multiple (LCM) of 54378 and 54394 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54378 and 54394. First we will calculate the prime factors of 54378 and 54394.

Prime Factorization of 54378

Prime factors of 54378 are 2, 3, 19, 53. Prime factorization of 54378 in exponential form is:

54378 = 21 × 33 × 191 × 531

Prime Factorization of 54394

Prime factors of 54394 are 2, 27197. Prime factorization of 54394 in exponential form is:

54394 = 21 × 271971

Now multiplying the highest exponent prime factors to calculate the LCM of 54378 and 54394.

LCM(54378,54394) = 21 × 33 × 191 × 531 × 271971
LCM(54378,54394) = 1478918466