What is the Least Common Multiple of 32430 and 32440?

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 32430 and 32440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 32430 and 32440, than apply into the LCM equation.

GCF(32430,32440) = 10
LCM(32430,32440) = ( 32430 × 32440) / 10
LCM(32430,32440) = 1052029200 / 10
LCM(32430,32440) = 105202920

Least Common Multiple (LCM) of 32430 and 32440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 32430 and 32440. First we will calculate the prime factors of 32430 and 32440.

Prime Factorization of 32430

Prime Factorization of 32440

Now multiplying the highest exponent prime factors to calculate the LCM of 32430 and 32440.

LCM(32430,32440) = 2³ × 3¹ × 5¹ × 23¹ × 47¹ × 811¹
LCM(32430,32440) = 105202920