What is the Least Common Multiple of 13665 and 13671?

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 13665 and 13671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13665 and 13671, than apply into the LCM equation.

GCF(13665,13671) = 3
LCM(13665,13671) = ( 13665 × 13671) / 3
LCM(13665,13671) = 186814215 / 3
LCM(13665,13671) = 62271405

Least Common Multiple (LCM) of 13665 and 13671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13665 and 13671. First we will calculate the prime factors of 13665 and 13671.

Prime Factorization of 13665

Prime Factorization of 13671

Now multiplying the highest exponent prime factors to calculate the LCM of 13665 and 13671.

LCM(13665,13671) = 3² × 5¹ × 911¹ × 7² × 31¹
LCM(13665,13671) = 62271405