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What is the Least Common Multiple of 66558 and 66564?

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 66564 is 738394452.

LCM(66558,66564) = 738394452

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Least Common Multiple of 66558 and 66564 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 66564, than apply into the LCM equation.

GCF(66558,66564) = 6
LCM(66558,66564) = ( 66558 × 66564) / 6
LCM(66558,66564) = 4430366712 / 6
LCM(66558,66564) = 738394452

Least Common Multiple (LCM) of 66558 and 66564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66558 and 66564. First we will calculate the prime factors of 66558 and 66564.

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 66564

Prime factors of 66564 are 2, 3, 43. Prime factorization of 66564 in exponential form is:

66564 = 22 × 32 × 432

Now multiplying the highest exponent prime factors to calculate the LCM of 66558 and 66564.

LCM(66558,66564) = 22 × 32 × 110931 × 432
LCM(66558,66564) = 738394452