What is the Least Common Multiple of 78439 and 78452?

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 78439 and 78452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78439 and 78452, than apply into the LCM equation.

GCF(78439,78452) = 1
LCM(78439,78452) = ( 78439 × 78452) / 1
LCM(78439,78452) = 6153696428 / 1
LCM(78439,78452) = 6153696428

Least Common Multiple (LCM) of 78439 and 78452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78439 and 78452. First we will calculate the prime factors of 78439 and 78452.

Prime Factorization of 78439

Prime Factorization of 78452

Now multiplying the highest exponent prime factors to calculate the LCM of 78439 and 78452.

LCM(78439,78452) = 78439¹ × 2² × 11¹ × 1783¹
LCM(78439,78452) = 6153696428