What is the Least Common Multiple of 19221 and 19238?

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 19221 and 19238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19221 and 19238, than apply into the LCM equation.

GCF(19221,19238) = 1
LCM(19221,19238) = ( 19221 × 19238) / 1
LCM(19221,19238) = 369773598 / 1
LCM(19221,19238) = 369773598

Least Common Multiple (LCM) of 19221 and 19238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19221 and 19238. First we will calculate the prime factors of 19221 and 19238.

Prime Factorization of 19221

Prime Factorization of 19238

Now multiplying the highest exponent prime factors to calculate the LCM of 19221 and 19238.

LCM(19221,19238) = 3¹ × 43¹ × 149¹ × 2¹ × 9619¹
LCM(19221,19238) = 369773598