What is the Least Common Multiple of 72102 and 72112?

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 72102 and 72112 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72102 and 72112, than apply into the LCM equation.

GCF(72102,72112) = 2
LCM(72102,72112) = ( 72102 × 72112) / 2
LCM(72102,72112) = 5199419424 / 2
LCM(72102,72112) = 2599709712

Least Common Multiple (LCM) of 72102 and 72112 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72102 and 72112. First we will calculate the prime factors of 72102 and 72112.

Prime Factorization of 72102

Prime Factorization of 72112

Now multiplying the highest exponent prime factors to calculate the LCM of 72102 and 72112.

LCM(72102,72112) = 2⁴ × 3¹ × 61¹ × 197¹ × 4507¹
LCM(72102,72112) = 2599709712