What is the Least Common Multiple of 18718 and 18722?

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 18718 and 18722 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18718 and 18722, than apply into the LCM equation.

GCF(18718,18722) = 2
LCM(18718,18722) = ( 18718 × 18722) / 2
LCM(18718,18722) = 350438396 / 2
LCM(18718,18722) = 175219198

Least Common Multiple (LCM) of 18718 and 18722 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18718 and 18722. First we will calculate the prime factors of 18718 and 18722.

Prime Factorization of 18718

Prime Factorization of 18722

Now multiplying the highest exponent prime factors to calculate the LCM of 18718 and 18722.

LCM(18718,18722) = 2¹ × 7² × 191¹ × 11¹ × 23¹ × 37¹
LCM(18718,18722) = 175219198