What is the Least Common Multiple of 19551 and 19569?

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 19551 and 19569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19551 and 19569, than apply into the LCM equation.

GCF(19551,19569) = 3
LCM(19551,19569) = ( 19551 × 19569) / 3
LCM(19551,19569) = 382593519 / 3
LCM(19551,19569) = 127531173

Least Common Multiple (LCM) of 19551 and 19569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19551 and 19569. First we will calculate the prime factors of 19551 and 19569.

Prime Factorization of 19551

Prime Factorization of 19569

Now multiplying the highest exponent prime factors to calculate the LCM of 19551 and 19569.

LCM(19551,19569) = 3¹ × 7³ × 19¹ × 11¹ × 593¹
LCM(19551,19569) = 127531173