What is the Least Common Multiple of 19181 and 19191?

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 19181 and 19191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19181 and 19191, than apply into the LCM equation.

GCF(19181,19191) = 1
LCM(19181,19191) = ( 19181 × 19191) / 1
LCM(19181,19191) = 368102571 / 1
LCM(19181,19191) = 368102571

Least Common Multiple (LCM) of 19181 and 19191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19181 and 19191. First we will calculate the prime factors of 19181 and 19191.

Prime Factorization of 19181

Prime Factorization of 19191

Now multiplying the highest exponent prime factors to calculate the LCM of 19181 and 19191.

LCM(19181,19191) = 19181¹ × 3¹ × 6397¹
LCM(19181,19191) = 368102571