What is the Least Common Multiple of 67121 and 67139?

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 67121 and 67139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67121 and 67139, than apply into the LCM equation.

GCF(67121,67139) = 1
LCM(67121,67139) = ( 67121 × 67139) / 1
LCM(67121,67139) = 4506436819 / 1
LCM(67121,67139) = 4506436819

Least Common Multiple (LCM) of 67121 and 67139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67121 and 67139. First we will calculate the prime factors of 67121 and 67139.

Prime Factorization of 67121

Prime Factorization of 67139

Now multiplying the highest exponent prime factors to calculate the LCM of 67121 and 67139.

LCM(67121,67139) = 67121¹ × 67139¹
LCM(67121,67139) = 4506436819