What is the Least Common Multiple of 43221 and 43239?

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 of 43221 and 43239 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43221 and 43239, than apply into the LCM equation.

GCF(43221,43239) = 3
LCM(43221,43239) = ( 43221 × 43239) / 3
LCM(43221,43239) = 1868832819 / 3
LCM(43221,43239) = 622944273

Least Common Multiple (LCM) of 43221 and 43239 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43221 and 43239. First we will calculate the prime factors of 43221 and 43239.

Prime Factorization of 43221

Prime Factorization of 43239

Now multiplying the highest exponent prime factors to calculate the LCM of 43221 and 43239.

LCM(43221,43239) = 3¹ × 14407¹ × 7¹ × 29¹ × 71¹
LCM(43221,43239) = 622944273