What is the Least Common Multiple of 72218 and 72222?

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 72218 and 72222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72218 and 72222, than apply into the LCM equation.

GCF(72218,72222) = 2
LCM(72218,72222) = ( 72218 × 72222) / 2
LCM(72218,72222) = 5215728396 / 2
LCM(72218,72222) = 2607864198

Least Common Multiple (LCM) of 72218 and 72222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72218 and 72222. First we will calculate the prime factors of 72218 and 72222.

Prime Factorization of 72218

Prime Factorization of 72222

Now multiplying the highest exponent prime factors to calculate the LCM of 72218 and 72222.

LCM(72218,72222) = 2¹ × 36109¹ × 3¹ × 12037¹
LCM(72218,72222) = 2607864198