What is the Least Common Multiple of 20535 and 20555?

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 20535 and 20555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20535 and 20555, than apply into the LCM equation.

GCF(20535,20555) = 5
LCM(20535,20555) = ( 20535 × 20555) / 5
LCM(20535,20555) = 422096925 / 5
LCM(20535,20555) = 84419385

Least Common Multiple (LCM) of 20535 and 20555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20535 and 20555. First we will calculate the prime factors of 20535 and 20555.

Prime Factorization of 20535

Prime Factorization of 20555

Now multiplying the highest exponent prime factors to calculate the LCM of 20535 and 20555.

LCM(20535,20555) = 3¹ × 5¹ × 37² × 4111¹
LCM(20535,20555) = 84419385