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What is the Least Common Multiple of 78549 and 78558?

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 78549 and 78558 is 2056884114.

LCM(78549,78558) = 2056884114

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Least Common Multiple of 78549 and 78558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78549 and 78558, than apply into the LCM equation.

GCF(78549,78558) = 3
LCM(78549,78558) = ( 78549 × 78558) / 3
LCM(78549,78558) = 6170652342 / 3
LCM(78549,78558) = 2056884114

Least Common Multiple (LCM) of 78549 and 78558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78549 and 78558. First we will calculate the prime factors of 78549 and 78558.

Prime Factorization of 78549

Prime factors of 78549 are 3, 26183. Prime factorization of 78549 in exponential form is:

78549 = 31 × 261831

Prime Factorization of 78558

Prime factors of 78558 are 2, 3, 13093. Prime factorization of 78558 in exponential form is:

78558 = 21 × 31 × 130931

Now multiplying the highest exponent prime factors to calculate the LCM of 78549 and 78558.

LCM(78549,78558) = 31 × 261831 × 21 × 130931
LCM(78549,78558) = 2056884114