What is the Least Common Multiple of 90171 and 90191?

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 90171 and 90191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90171 and 90191, than apply into the LCM equation.

GCF(90171,90191) = 1
LCM(90171,90191) = ( 90171 × 90191) / 1
LCM(90171,90191) = 8132612661 / 1
LCM(90171,90191) = 8132612661

Least Common Multiple (LCM) of 90171 and 90191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90171 and 90191. First we will calculate the prime factors of 90171 and 90191.

Prime Factorization of 90171

Prime Factorization of 90191

Now multiplying the highest exponent prime factors to calculate the LCM of 90171 and 90191.

LCM(90171,90191) = 3² × 43¹ × 233¹ × 90191¹
LCM(90171,90191) = 8132612661