What is the Least Common Multiple of 25185 and 25191?

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 25185 and 25191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25185 and 25191, than apply into the LCM equation.

GCF(25185,25191) = 3
LCM(25185,25191) = ( 25185 × 25191) / 3
LCM(25185,25191) = 634435335 / 3
LCM(25185,25191) = 211478445

Least Common Multiple (LCM) of 25185 and 25191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25185 and 25191. First we will calculate the prime factors of 25185 and 25191.

Prime Factorization of 25185

Prime Factorization of 25191

Now multiplying the highest exponent prime factors to calculate the LCM of 25185 and 25191.

LCM(25185,25191) = 3⁴ × 5¹ × 23¹ × 73¹ × 311¹
LCM(25185,25191) = 211478445