What is the Least Common Multiple of 28378 and 28392?

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 28378 and 28392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28378 and 28392, than apply into the LCM equation.

GCF(28378,28392) = 14
LCM(28378,28392) = ( 28378 × 28392) / 14
LCM(28378,28392) = 805708176 / 14
LCM(28378,28392) = 57550584

Least Common Multiple (LCM) of 28378 and 28392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28378 and 28392. First we will calculate the prime factors of 28378 and 28392.

Prime Factorization of 28378

Prime Factorization of 28392

Now multiplying the highest exponent prime factors to calculate the LCM of 28378 and 28392.

LCM(28378,28392) = 2³ × 7¹ × 2027¹ × 3¹ × 13²
LCM(28378,28392) = 57550584