What is the Least Common Multiple of 76400 and 76418?

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 76400 and 76418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76400 and 76418, than apply into the LCM equation.

GCF(76400,76418) = 2
LCM(76400,76418) = ( 76400 × 76418) / 2
LCM(76400,76418) = 5838335200 / 2
LCM(76400,76418) = 2919167600

Least Common Multiple (LCM) of 76400 and 76418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76400 and 76418. First we will calculate the prime factors of 76400 and 76418.

Prime Factorization of 76400

Prime Factorization of 76418

Now multiplying the highest exponent prime factors to calculate the LCM of 76400 and 76418.

LCM(76400,76418) = 2⁴ × 5² × 191¹ × 19¹ × 2011¹
LCM(76400,76418) = 2919167600