What is the Least Common Multiple of 67143 and 67147?

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 67147 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 67147, than apply into the LCM equation.

GCF(67143,67147) = 1
LCM(67143,67147) = ( 67143 × 67147) / 1
LCM(67143,67147) = 4508451021 / 1
LCM(67143,67147) = 4508451021

Least Common Multiple (LCM) of 67143 and 67147 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67143 and 67147. First we will calculate the prime factors of 67143 and 67147.

Prime Factorization of 67143

Prime Factorization of 67147

Now multiplying the highest exponent prime factors to calculate the LCM of 67143 and 67147.

LCM(67143,67147) = 3¹ × 22381¹ × 83¹ × 809¹
LCM(67143,67147) = 4508451021