What is the Least Common Multiple of 72218 and 72236?

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 72236 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 72236, than apply into the LCM equation.

GCF(72218,72236) = 2
LCM(72218,72236) = ( 72218 × 72236) / 2
LCM(72218,72236) = 5216739448 / 2
LCM(72218,72236) = 2608369724

Least Common Multiple (LCM) of 72218 and 72236 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72218 and 72236. First we will calculate the prime factors of 72218 and 72236.

Prime Factorization of 72218

Prime Factorization of 72236

Now multiplying the highest exponent prime factors to calculate the LCM of 72218 and 72236.

LCM(72218,72236) = 2² × 36109¹ × 18059¹
LCM(72218,72236) = 2608369724