What is the Least Common Multiple of 19566 and 19581?

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 19566 and 19581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19566 and 19581, than apply into the LCM equation.

GCF(19566,19581) = 3
LCM(19566,19581) = ( 19566 × 19581) / 3
LCM(19566,19581) = 383121846 / 3
LCM(19566,19581) = 127707282

Least Common Multiple (LCM) of 19566 and 19581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19566 and 19581. First we will calculate the prime factors of 19566 and 19581.

Prime Factorization of 19566

Prime Factorization of 19581

Now multiplying the highest exponent prime factors to calculate the LCM of 19566 and 19581.

LCM(19566,19581) = 2¹ × 3² × 1087¹ × 61¹ × 107¹
LCM(19566,19581) = 127707282