What is the Least Common Multiple of 72139 and 72151?

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 72139 and 72151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72139 and 72151, than apply into the LCM equation.

GCF(72139,72151) = 1
LCM(72139,72151) = ( 72139 × 72151) / 1
LCM(72139,72151) = 5204900989 / 1
LCM(72139,72151) = 5204900989

Least Common Multiple (LCM) of 72139 and 72151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72139 and 72151. First we will calculate the prime factors of 72139 and 72151.

Prime Factorization of 72139

Prime Factorization of 72151

Now multiplying the highest exponent prime factors to calculate the LCM of 72139 and 72151.

LCM(72139,72151) = 72139¹ × 23¹ × 3137¹
LCM(72139,72151) = 5204900989