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What is the Least Common Multiple of 43443 and 43449?

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 43443 and 43449 is 629184969.

LCM(43443,43449) = 629184969

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Least Common Multiple of 43443 and 43449 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43443 and 43449, than apply into the LCM equation.

GCF(43443,43449) = 3
LCM(43443,43449) = ( 43443 × 43449) / 3
LCM(43443,43449) = 1887554907 / 3
LCM(43443,43449) = 629184969

Least Common Multiple (LCM) of 43443 and 43449 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43443 and 43449. First we will calculate the prime factors of 43443 and 43449.

Prime Factorization of 43443

Prime factors of 43443 are 3, 1609. Prime factorization of 43443 in exponential form is:

43443 = 33 × 16091

Prime Factorization of 43449

Prime factors of 43449 are 3, 7, 2069. Prime factorization of 43449 in exponential form is:

43449 = 31 × 71 × 20691

Now multiplying the highest exponent prime factors to calculate the LCM of 43443 and 43449.

LCM(43443,43449) = 33 × 16091 × 71 × 20691
LCM(43443,43449) = 629184969