What is the Least Common Multiple of 78171 and 78183?

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 78171 and 78183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78171 and 78183, than apply into the LCM equation.

GCF(78171,78183) = 3
LCM(78171,78183) = ( 78171 × 78183) / 3
LCM(78171,78183) = 6111643293 / 3
LCM(78171,78183) = 2037214431

Least Common Multiple (LCM) of 78171 and 78183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78171 and 78183. First we will calculate the prime factors of 78171 and 78183.

Prime Factorization of 78171

Prime Factorization of 78183

Now multiplying the highest exponent prime factors to calculate the LCM of 78171 and 78183.

LCM(78171,78183) = 3² × 71¹ × 367¹ × 7¹ × 17¹ × 73¹
LCM(78171,78183) = 2037214431