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What is the Least Common Multiple of 66558 and 66578?

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 66558 and 66578 is 2215649262.

LCM(66558,66578) = 2215649262

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Least Common Multiple of 66558 and 66578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66558 and 66578, than apply into the LCM equation.

GCF(66558,66578) = 2
LCM(66558,66578) = ( 66558 × 66578) / 2
LCM(66558,66578) = 4431298524 / 2
LCM(66558,66578) = 2215649262

Least Common Multiple (LCM) of 66558 and 66578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66558 and 66578. First we will calculate the prime factors of 66558 and 66578.

Prime Factorization of 66558

Prime factors of 66558 are 2, 3, 11093. Prime factorization of 66558 in exponential form is:

66558 = 21 × 31 × 110931

Prime Factorization of 66578

Prime factors of 66578 are 2, 33289. Prime factorization of 66578 in exponential form is:

66578 = 21 × 332891

Now multiplying the highest exponent prime factors to calculate the LCM of 66558 and 66578.

LCM(66558,66578) = 21 × 31 × 110931 × 332891
LCM(66558,66578) = 2215649262