What is the Least Common Multiple of 18620 and 18637?

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 18620 and 18637 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18620 and 18637, than apply into the LCM equation.

GCF(18620,18637) = 1
LCM(18620,18637) = ( 18620 × 18637) / 1
LCM(18620,18637) = 347020940 / 1
LCM(18620,18637) = 347020940

Least Common Multiple (LCM) of 18620 and 18637 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18620 and 18637. First we will calculate the prime factors of 18620 and 18637.

Prime Factorization of 18620

Prime Factorization of 18637

Now multiplying the highest exponent prime factors to calculate the LCM of 18620 and 18637.

LCM(18620,18637) = 2² × 5¹ × 7² × 19¹ × 18637¹
LCM(18620,18637) = 347020940