What is the Least Common Multiple of 87189 and 87198?

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 87189 and 87198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87189 and 87198, than apply into the LCM equation.

GCF(87189,87198) = 3
LCM(87189,87198) = ( 87189 × 87198) / 3
LCM(87189,87198) = 7602706422 / 3
LCM(87189,87198) = 2534235474

Least Common Multiple (LCM) of 87189 and 87198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87189 and 87198. First we will calculate the prime factors of 87189 and 87198.

Prime Factorization of 87189

Prime Factorization of 87198

Now multiplying the highest exponent prime factors to calculate the LCM of 87189 and 87198.

LCM(87189,87198) = 3¹ × 29063¹ × 2¹ × 14533¹
LCM(87189,87198) = 2534235474