What is the Least Common Multiple of 10128 and 10143?

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 10128 and 10143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10128 and 10143, than apply into the LCM equation.

GCF(10128,10143) = 3
LCM(10128,10143) = ( 10128 × 10143) / 3
LCM(10128,10143) = 102728304 / 3
LCM(10128,10143) = 34242768

Least Common Multiple (LCM) of 10128 and 10143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10128 and 10143. First we will calculate the prime factors of 10128 and 10143.

Prime Factorization of 10128

Prime Factorization of 10143

Now multiplying the highest exponent prime factors to calculate the LCM of 10128 and 10143.

LCM(10128,10143) = 2⁴ × 3² × 211¹ × 7² × 23¹
LCM(10128,10143) = 34242768