What is the Least Common Multiple of 13580 and 13585?

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 13580 and 13585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13580 and 13585, than apply into the LCM equation.

GCF(13580,13585) = 5
LCM(13580,13585) = ( 13580 × 13585) / 5
LCM(13580,13585) = 184484300 / 5
LCM(13580,13585) = 36896860

Least Common Multiple (LCM) of 13580 and 13585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13580 and 13585. First we will calculate the prime factors of 13580 and 13585.

Prime Factorization of 13580

Prime Factorization of 13585

Now multiplying the highest exponent prime factors to calculate the LCM of 13580 and 13585.

LCM(13580,13585) = 2² × 5¹ × 7¹ × 97¹ × 11¹ × 13¹ × 19¹
LCM(13580,13585) = 36896860