What is the Least Common Multiple of 13551 and 13569?

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 13551 and 13569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13551 and 13569, than apply into the LCM equation.

GCF(13551,13569) = 3
LCM(13551,13569) = ( 13551 × 13569) / 3
LCM(13551,13569) = 183873519 / 3
LCM(13551,13569) = 61291173

Least Common Multiple (LCM) of 13551 and 13569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13551 and 13569. First we will calculate the prime factors of 13551 and 13569.

Prime Factorization of 13551

Prime Factorization of 13569

Now multiplying the highest exponent prime factors to calculate the LCM of 13551 and 13569.

LCM(13551,13569) = 3¹ × 4517¹ × 4523¹
LCM(13551,13569) = 61291173