What is the Least Common Multiple of 63390 and 63400?

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 63390 and 63400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63390 and 63400, than apply into the LCM equation.

GCF(63390,63400) = 10
LCM(63390,63400) = ( 63390 × 63400) / 10
LCM(63390,63400) = 4018926000 / 10
LCM(63390,63400) = 401892600

Least Common Multiple (LCM) of 63390 and 63400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63390 and 63400. First we will calculate the prime factors of 63390 and 63400.

Prime Factorization of 63390

Prime Factorization of 63400

Now multiplying the highest exponent prime factors to calculate the LCM of 63390 and 63400.

LCM(63390,63400) = 2³ × 3¹ × 5² × 2113¹ × 317¹
LCM(63390,63400) = 401892600