What is the Least Common Multiple of 63390 and 63408?

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 63408 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 63408, than apply into the LCM equation.

GCF(63390,63408) = 6
LCM(63390,63408) = ( 63390 × 63408) / 6
LCM(63390,63408) = 4019433120 / 6
LCM(63390,63408) = 669905520

Least Common Multiple (LCM) of 63390 and 63408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63390 and 63408. First we will calculate the prime factors of 63390 and 63408.

Prime Factorization of 63390

Prime Factorization of 63408

Now multiplying the highest exponent prime factors to calculate the LCM of 63390 and 63408.

LCM(63390,63408) = 2⁴ × 3¹ × 5¹ × 2113¹ × 1321¹
LCM(63390,63408) = 669905520