What is the Least Common Multiple of 20939 and 20953?

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 20939 and 20953 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20939 and 20953, than apply into the LCM equation.

GCF(20939,20953) = 1
LCM(20939,20953) = ( 20939 × 20953) / 1
LCM(20939,20953) = 438734867 / 1
LCM(20939,20953) = 438734867

Least Common Multiple (LCM) of 20939 and 20953 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20939 and 20953. First we will calculate the prime factors of 20939 and 20953.

Prime Factorization of 20939

Prime Factorization of 20953

Now multiplying the highest exponent prime factors to calculate the LCM of 20939 and 20953.

LCM(20939,20953) = 20939¹ × 23¹ × 911¹
LCM(20939,20953) = 438734867