What is the Least Common Multiple of 13604 and 13608?

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 13604 and 13608 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13604 and 13608, than apply into the LCM equation.

GCF(13604,13608) = 4
LCM(13604,13608) = ( 13604 × 13608) / 4
LCM(13604,13608) = 185123232 / 4
LCM(13604,13608) = 46280808

Least Common Multiple (LCM) of 13604 and 13608 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13604 and 13608. First we will calculate the prime factors of 13604 and 13608.

Prime Factorization of 13604

Prime Factorization of 13608

Now multiplying the highest exponent prime factors to calculate the LCM of 13604 and 13608.

LCM(13604,13608) = 2³ × 19¹ × 179¹ × 3⁵ × 7¹
LCM(13604,13608) = 46280808