What is the Least Common Multiple of 82155 and 82173?

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 82155 and 82173 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82155 and 82173, than apply into the LCM equation.

GCF(82155,82173) = 3
LCM(82155,82173) = ( 82155 × 82173) / 3
LCM(82155,82173) = 6750922815 / 3
LCM(82155,82173) = 2250307605

Least Common Multiple (LCM) of 82155 and 82173 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82155 and 82173. First we will calculate the prime factors of 82155 and 82173.

Prime Factorization of 82155

Prime Factorization of 82173

Now multiplying the highest exponent prime factors to calculate the LCM of 82155 and 82173.

LCM(82155,82173) = 3¹ × 5¹ × 5477¹ × 7² × 13¹ × 43¹
LCM(82155,82173) = 2250307605