What is the Least Common Multiple of 83185 and 83205?

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 83185 and 83205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83185 and 83205, than apply into the LCM equation.

GCF(83185,83205) = 5
LCM(83185,83205) = ( 83185 × 83205) / 5
LCM(83185,83205) = 6921407925 / 5
LCM(83185,83205) = 1384281585

Least Common Multiple (LCM) of 83185 and 83205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83185 and 83205. First we will calculate the prime factors of 83185 and 83205.

Prime Factorization of 83185

Prime Factorization of 83205

Now multiplying the highest exponent prime factors to calculate the LCM of 83185 and 83205.

LCM(83185,83205) = 5¹ × 127¹ × 131¹ × 3² × 43²
LCM(83185,83205) = 1384281585