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What is the Least Common Multiple of 43149 and 43161?

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 43149 and 43161 is 620784663.

LCM(43149,43161) = 620784663

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Least Common Multiple of 43149 and 43161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43149 and 43161, than apply into the LCM equation.

GCF(43149,43161) = 3
LCM(43149,43161) = ( 43149 × 43161) / 3
LCM(43149,43161) = 1862353989 / 3
LCM(43149,43161) = 620784663

Least Common Multiple (LCM) of 43149 and 43161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43149 and 43161. First we will calculate the prime factors of 43149 and 43161.

Prime Factorization of 43149

Prime factors of 43149 are 3, 19, 757. Prime factorization of 43149 in exponential form is:

43149 = 31 × 191 × 7571

Prime Factorization of 43161

Prime factors of 43161 are 3, 14387. Prime factorization of 43161 in exponential form is:

43161 = 31 × 143871

Now multiplying the highest exponent prime factors to calculate the LCM of 43149 and 43161.

LCM(43149,43161) = 31 × 191 × 7571 × 143871
LCM(43149,43161) = 620784663