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What is the Least Common Multiple of 18466 and 18470?

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 18466 and 18470 is 170533510.

LCM(18466,18470) = 170533510

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Least Common Multiple of 18466 and 18470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18466 and 18470, than apply into the LCM equation.

GCF(18466,18470) = 2
LCM(18466,18470) = ( 18466 × 18470) / 2
LCM(18466,18470) = 341067020 / 2
LCM(18466,18470) = 170533510

Least Common Multiple (LCM) of 18466 and 18470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18466 and 18470. First we will calculate the prime factors of 18466 and 18470.

Prime Factorization of 18466

Prime factors of 18466 are 2, 7, 1319. Prime factorization of 18466 in exponential form is:

18466 = 21 × 71 × 13191

Prime Factorization of 18470

Prime factors of 18470 are 2, 5, 1847. Prime factorization of 18470 in exponential form is:

18470 = 21 × 51 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 18466 and 18470.

LCM(18466,18470) = 21 × 71 × 13191 × 51 × 18471
LCM(18466,18470) = 170533510