What is the Least Common Multiple of 18556 and 18568?

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 18556 and 18568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18556 and 18568, than apply into the LCM equation.

GCF(18556,18568) = 4
LCM(18556,18568) = ( 18556 × 18568) / 4
LCM(18556,18568) = 344547808 / 4
LCM(18556,18568) = 86136952

Least Common Multiple (LCM) of 18556 and 18568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18556 and 18568. First we will calculate the prime factors of 18556 and 18568.

Prime Factorization of 18556

Prime Factorization of 18568

Now multiplying the highest exponent prime factors to calculate the LCM of 18556 and 18568.

LCM(18556,18568) = 2³ × 4639¹ × 11¹ × 211¹
LCM(18556,18568) = 86136952