What is the Least Common Multiple of 19311 and 19317?

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 19311 and 19317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19311 and 19317, than apply into the LCM equation.

GCF(19311,19317) = 3
LCM(19311,19317) = ( 19311 × 19317) / 3
LCM(19311,19317) = 373030587 / 3
LCM(19311,19317) = 124343529

Least Common Multiple (LCM) of 19311 and 19317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19311 and 19317. First we will calculate the prime factors of 19311 and 19317.

Prime Factorization of 19311

Prime Factorization of 19317

Now multiplying the highest exponent prime factors to calculate the LCM of 19311 and 19317.

LCM(19311,19317) = 3¹ × 41¹ × 157¹ × 47¹ × 137¹
LCM(19311,19317) = 124343529