What is the Least Common Multiple of 55660 and 55664?

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 55660 and 55664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55660 and 55664, than apply into the LCM equation.

GCF(55660,55664) = 4
LCM(55660,55664) = ( 55660 × 55664) / 4
LCM(55660,55664) = 3098258240 / 4
LCM(55660,55664) = 774564560

Least Common Multiple (LCM) of 55660 and 55664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55660 and 55664. First we will calculate the prime factors of 55660 and 55664.

Prime Factorization of 55660

Prime Factorization of 55664

Now multiplying the highest exponent prime factors to calculate the LCM of 55660 and 55664.

LCM(55660,55664) = 2⁴ × 5¹ × 11² × 23¹ × 7² × 71¹
LCM(55660,55664) = 774564560