What is the Least Common Multiple of 72195 and 72213?

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 72195 and 72213 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72195 and 72213, than apply into the LCM equation.

GCF(72195,72213) = 3
LCM(72195,72213) = ( 72195 × 72213) / 3
LCM(72195,72213) = 5213417535 / 3
LCM(72195,72213) = 1737805845

Least Common Multiple (LCM) of 72195 and 72213 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72195 and 72213. First we will calculate the prime factors of 72195 and 72213.

Prime Factorization of 72195

Prime Factorization of 72213

Now multiplying the highest exponent prime factors to calculate the LCM of 72195 and 72213.

LCM(72195,72213) = 3¹ × 5¹ × 4813¹ × 24071¹
LCM(72195,72213) = 1737805845