What is the Least Common Multiple of 78355 and 78368?

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 78355 and 78368 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78355 and 78368, than apply into the LCM equation.

GCF(78355,78368) = 1
LCM(78355,78368) = ( 78355 × 78368) / 1
LCM(78355,78368) = 6140524640 / 1
LCM(78355,78368) = 6140524640

Least Common Multiple (LCM) of 78355 and 78368 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78355 and 78368. First we will calculate the prime factors of 78355 and 78368.

Prime Factorization of 78355

Prime Factorization of 78368

Now multiplying the highest exponent prime factors to calculate the LCM of 78355 and 78368.

LCM(78355,78368) = 5¹ × 15671¹ × 2⁵ × 31¹ × 79¹
LCM(78355,78368) = 6140524640