What is the Least Common Multiple of 13128 and 13143?

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 13128 and 13143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13128 and 13143, than apply into the LCM equation.

GCF(13128,13143) = 3
LCM(13128,13143) = ( 13128 × 13143) / 3
LCM(13128,13143) = 172541304 / 3
LCM(13128,13143) = 57513768

Least Common Multiple (LCM) of 13128 and 13143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13128 and 13143. First we will calculate the prime factors of 13128 and 13143.

Prime Factorization of 13128

Prime Factorization of 13143

Now multiplying the highest exponent prime factors to calculate the LCM of 13128 and 13143.

LCM(13128,13143) = 2³ × 3¹ × 547¹ × 13¹ × 337¹
LCM(13128,13143) = 57513768