What is the Least Common Multiple of 19581 and 19586?

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 19581 and 19586 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19581 and 19586, than apply into the LCM equation.

GCF(19581,19586) = 1
LCM(19581,19586) = ( 19581 × 19586) / 1
LCM(19581,19586) = 383513466 / 1
LCM(19581,19586) = 383513466

Least Common Multiple (LCM) of 19581 and 19586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19581 and 19586. First we will calculate the prime factors of 19581 and 19586.

Prime Factorization of 19581

Prime Factorization of 19586

Now multiplying the highest exponent prime factors to calculate the LCM of 19581 and 19586.

LCM(19581,19586) = 3¹ × 61¹ × 107¹ × 2¹ × 7¹ × 1399¹
LCM(19581,19586) = 383513466