What is the Least Common Multiple of 12195 and 12210?

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 12195 and 12210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12195 and 12210, than apply into the LCM equation.

GCF(12195,12210) = 15
LCM(12195,12210) = ( 12195 × 12210) / 15
LCM(12195,12210) = 148900950 / 15
LCM(12195,12210) = 9926730

Least Common Multiple (LCM) of 12195 and 12210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12195 and 12210. First we will calculate the prime factors of 12195 and 12210.

Prime Factorization of 12195

Prime Factorization of 12210

Now multiplying the highest exponent prime factors to calculate the LCM of 12195 and 12210.

LCM(12195,12210) = 3² × 5¹ × 271¹ × 2¹ × 11¹ × 37¹
LCM(12195,12210) = 9926730