What is the Least Common Multiple of 19566 and 19584?

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 19584 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 19584, than apply into the LCM equation.

GCF(19566,19584) = 18
LCM(19566,19584) = ( 19566 × 19584) / 18
LCM(19566,19584) = 383180544 / 18
LCM(19566,19584) = 21287808

Least Common Multiple (LCM) of 19566 and 19584 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19566 and 19584. First we will calculate the prime factors of 19566 and 19584.

Prime Factorization of 19566

Prime Factorization of 19584

Now multiplying the highest exponent prime factors to calculate the LCM of 19566 and 19584.

LCM(19566,19584) = 2⁷ × 3² × 1087¹ × 17¹
LCM(19566,19584) = 21287808