What is the Least Common Multiple of 27768 and 27782?

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 27768 and 27782 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27768 and 27782, than apply into the LCM equation.

GCF(27768,27782) = 2
LCM(27768,27782) = ( 27768 × 27782) / 2
LCM(27768,27782) = 771450576 / 2
LCM(27768,27782) = 385725288

Least Common Multiple (LCM) of 27768 and 27782 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27768 and 27782. First we will calculate the prime factors of 27768 and 27782.

Prime Factorization of 27768

Prime Factorization of 27782

Now multiplying the highest exponent prime factors to calculate the LCM of 27768 and 27782.

LCM(27768,27782) = 2³ × 3¹ × 13¹ × 89¹ × 29¹ × 479¹
LCM(27768,27782) = 385725288