What is the Least Common Multiple of 76896 and 76900?

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 76896 and 76900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76896 and 76900, than apply into the LCM equation.

GCF(76896,76900) = 4
LCM(76896,76900) = ( 76896 × 76900) / 4
LCM(76896,76900) = 5913302400 / 4
LCM(76896,76900) = 1478325600

Least Common Multiple (LCM) of 76896 and 76900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76896 and 76900. First we will calculate the prime factors of 76896 and 76900.

Prime Factorization of 76896

Prime Factorization of 76900

Now multiplying the highest exponent prime factors to calculate the LCM of 76896 and 76900.

LCM(76896,76900) = 2⁵ × 3³ × 89¹ × 5² × 769¹
LCM(76896,76900) = 1478325600