What is the Least Common Multiple of 79200 and 79210?

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 79200 and 79210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79200 and 79210, than apply into the LCM equation.

GCF(79200,79210) = 10
LCM(79200,79210) = ( 79200 × 79210) / 10
LCM(79200,79210) = 6273432000 / 10
LCM(79200,79210) = 627343200

Least Common Multiple (LCM) of 79200 and 79210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79200 and 79210. First we will calculate the prime factors of 79200 and 79210.

Prime Factorization of 79200

Prime Factorization of 79210

Now multiplying the highest exponent prime factors to calculate the LCM of 79200 and 79210.

LCM(79200,79210) = 2⁵ × 3² × 5² × 11¹ × 89²
LCM(79200,79210) = 627343200