What is the Least Common Multiple of 18211 and 18219?

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 18211 and 18219 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18211 and 18219, than apply into the LCM equation.

GCF(18211,18219) = 1
LCM(18211,18219) = ( 18211 × 18219) / 1
LCM(18211,18219) = 331786209 / 1
LCM(18211,18219) = 331786209

Least Common Multiple (LCM) of 18211 and 18219 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18211 and 18219. First we will calculate the prime factors of 18211 and 18219.

Prime Factorization of 18211

Prime Factorization of 18219

Now multiplying the highest exponent prime factors to calculate the LCM of 18211 and 18219.

LCM(18211,18219) = 18211¹ × 3¹ × 6073¹
LCM(18211,18219) = 331786209