What is the Least Common Multiple of 67143 and 67155?

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 67143 and 67155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67143 and 67155, than apply into the LCM equation.

GCF(67143,67155) = 3
LCM(67143,67155) = ( 67143 × 67155) / 3
LCM(67143,67155) = 4508988165 / 3
LCM(67143,67155) = 1502996055

Least Common Multiple (LCM) of 67143 and 67155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67143 and 67155. First we will calculate the prime factors of 67143 and 67155.

Prime Factorization of 67143

Prime Factorization of 67155

Now multiplying the highest exponent prime factors to calculate the LCM of 67143 and 67155.

LCM(67143,67155) = 3¹ × 22381¹ × 5¹ × 11² × 37¹
LCM(67143,67155) = 1502996055