What is the Least Common Multiple of 69723 and 69728?

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 69723 and 69728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69723 and 69728, than apply into the LCM equation.

GCF(69723,69728) = 1
LCM(69723,69728) = ( 69723 × 69728) / 1
LCM(69723,69728) = 4861645344 / 1
LCM(69723,69728) = 4861645344

Least Common Multiple (LCM) of 69723 and 69728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69723 and 69728. First we will calculate the prime factors of 69723 and 69728.

Prime Factorization of 69723

Prime Factorization of 69728

Now multiplying the highest exponent prime factors to calculate the LCM of 69723 and 69728.

LCM(69723,69728) = 3² × 61¹ × 127¹ × 2⁵ × 2179¹
LCM(69723,69728) = 4861645344