What is the Least Common Multiple of 85485 and 85505?

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 85485 and 85505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85485 and 85505, than apply into the LCM equation.

GCF(85485,85505) = 5
LCM(85485,85505) = ( 85485 × 85505) / 5
LCM(85485,85505) = 7309394925 / 5
LCM(85485,85505) = 1461878985

Least Common Multiple (LCM) of 85485 and 85505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85485 and 85505. First we will calculate the prime factors of 85485 and 85505.

Prime Factorization of 85485

Prime Factorization of 85505

Now multiplying the highest exponent prime factors to calculate the LCM of 85485 and 85505.

LCM(85485,85505) = 3¹ × 5¹ × 41¹ × 139¹ × 7² × 349¹
LCM(85485,85505) = 1461878985