What is the Least Common Multiple of 84020 and 84025?

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 84020 and 84025 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84020 and 84025, than apply into the LCM equation.

GCF(84020,84025) = 5
LCM(84020,84025) = ( 84020 × 84025) / 5
LCM(84020,84025) = 7059780500 / 5
LCM(84020,84025) = 1411956100

Least Common Multiple (LCM) of 84020 and 84025 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84020 and 84025. First we will calculate the prime factors of 84020 and 84025.

Prime Factorization of 84020

Prime Factorization of 84025

Now multiplying the highest exponent prime factors to calculate the LCM of 84020 and 84025.

LCM(84020,84025) = 2² × 5² × 4201¹ × 3361¹
LCM(84020,84025) = 1411956100