What is the Least Common Multiple of 13565 and 13580?

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 13565 and 13580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13565 and 13580, than apply into the LCM equation.

GCF(13565,13580) = 5
LCM(13565,13580) = ( 13565 × 13580) / 5
LCM(13565,13580) = 184212700 / 5
LCM(13565,13580) = 36842540

Least Common Multiple (LCM) of 13565 and 13580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13565 and 13580. First we will calculate the prime factors of 13565 and 13580.

Prime Factorization of 13565

Prime Factorization of 13580

Now multiplying the highest exponent prime factors to calculate the LCM of 13565 and 13580.

LCM(13565,13580) = 5¹ × 2713¹ × 2² × 7¹ × 97¹
LCM(13565,13580) = 36842540