What is the Least Common Multiple of 4125 and 4143?

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 4125 and 4143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4125 and 4143, than apply into the LCM equation.

GCF(4125,4143) = 3
LCM(4125,4143) = ( 4125 × 4143) / 3
LCM(4125,4143) = 17089875 / 3
LCM(4125,4143) = 5696625

Least Common Multiple (LCM) of 4125 and 4143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4125 and 4143. First we will calculate the prime factors of 4125 and 4143.

Prime Factorization of 4125

Prime Factorization of 4143

Now multiplying the highest exponent prime factors to calculate the LCM of 4125 and 4143.

LCM(4125,4143) = 3¹ × 5³ × 11¹ × 1381¹
LCM(4125,4143) = 5696625