What is the Least Common Multiple of 13687 and 13697?

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 13687 and 13697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13687 and 13697, than apply into the LCM equation.

GCF(13687,13697) = 1
LCM(13687,13697) = ( 13687 × 13697) / 1
LCM(13687,13697) = 187470839 / 1
LCM(13687,13697) = 187470839

Least Common Multiple (LCM) of 13687 and 13697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13687 and 13697. First we will calculate the prime factors of 13687 and 13697.

Prime Factorization of 13687

Prime Factorization of 13697

Now multiplying the highest exponent prime factors to calculate the LCM of 13687 and 13697.

LCM(13687,13697) = 13687¹ × 13697¹
LCM(13687,13697) = 187470839