What is the Least Common Multiple of 32385 and 32390?

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 32385 and 32390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 32385 and 32390, than apply into the LCM equation.

GCF(32385,32390) = 5
LCM(32385,32390) = ( 32385 × 32390) / 5
LCM(32385,32390) = 1048950150 / 5
LCM(32385,32390) = 209790030

Least Common Multiple (LCM) of 32385 and 32390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 32385 and 32390. First we will calculate the prime factors of 32385 and 32390.

Prime Factorization of 32385

Prime Factorization of 32390

Now multiplying the highest exponent prime factors to calculate the LCM of 32385 and 32390.

LCM(32385,32390) = 3¹ × 5¹ × 17¹ × 127¹ × 2¹ × 41¹ × 79¹
LCM(32385,32390) = 209790030