What is the Least Common Multiple of 13478 and 13487?

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 13478 and 13487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13478 and 13487, than apply into the LCM equation.

GCF(13478,13487) = 1
LCM(13478,13487) = ( 13478 × 13487) / 1
LCM(13478,13487) = 181777786 / 1
LCM(13478,13487) = 181777786

Least Common Multiple (LCM) of 13478 and 13487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13478 and 13487. First we will calculate the prime factors of 13478 and 13487.

Prime Factorization of 13478

Prime Factorization of 13487

Now multiplying the highest exponent prime factors to calculate the LCM of 13478 and 13487.

LCM(13478,13487) = 2¹ × 23¹ × 293¹ × 13487¹
LCM(13478,13487) = 181777786