What is the Least Common Multiple of 12570 and 12581?

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 12570 and 12581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12570 and 12581, than apply into the LCM equation.

GCF(12570,12581) = 1
LCM(12570,12581) = ( 12570 × 12581) / 1
LCM(12570,12581) = 158143170 / 1
LCM(12570,12581) = 158143170

Least Common Multiple (LCM) of 12570 and 12581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12570 and 12581. First we will calculate the prime factors of 12570 and 12581.

Prime Factorization of 12570

Prime Factorization of 12581

Now multiplying the highest exponent prime factors to calculate the LCM of 12570 and 12581.

LCM(12570,12581) = 2¹ × 3¹ × 5¹ × 419¹ × 23¹ × 547¹
LCM(12570,12581) = 158143170