What is the Least Common Multiple of 67131 and 67143?

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 67131 and 67143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67131 and 67143, than apply into the LCM equation.

GCF(67131,67143) = 3
LCM(67131,67143) = ( 67131 × 67143) / 3
LCM(67131,67143) = 4507376733 / 3
LCM(67131,67143) = 1502458911

Least Common Multiple (LCM) of 67131 and 67143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67131 and 67143. First we will calculate the prime factors of 67131 and 67143.

Prime Factorization of 67131

Prime Factorization of 67143

Now multiplying the highest exponent prime factors to calculate the LCM of 67131 and 67143.

LCM(67131,67143) = 3² × 7459¹ × 22381¹
LCM(67131,67143) = 1502458911