What is the Least Common Multiple of 76390 and 76400?

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 76390 and 76400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76390 and 76400, than apply into the LCM equation.

GCF(76390,76400) = 10
LCM(76390,76400) = ( 76390 × 76400) / 10
LCM(76390,76400) = 5836196000 / 10
LCM(76390,76400) = 583619600

Least Common Multiple (LCM) of 76390 and 76400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76390 and 76400. First we will calculate the prime factors of 76390 and 76400.

Prime Factorization of 76390

Prime Factorization of 76400

Now multiplying the highest exponent prime factors to calculate the LCM of 76390 and 76400.

LCM(76390,76400) = 2⁴ × 5² × 7639¹ × 191¹
LCM(76390,76400) = 583619600