GCF and LCM Calculator Logo

What is the Least Common Multiple of 11878 and 11891?

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 (LCM) of 11878 and 11891 is 141241298.

LCM(11878,11891) = 141241298

LCM Calculator and
and

Least Common Multiple of 11878 and 11891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11878 and 11891, than apply into the LCM equation.

GCF(11878,11891) = 1
LCM(11878,11891) = ( 11878 × 11891) / 1
LCM(11878,11891) = 141241298 / 1
LCM(11878,11891) = 141241298

Least Common Multiple (LCM) of 11878 and 11891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11878 and 11891. First we will calculate the prime factors of 11878 and 11891.

Prime Factorization of 11878

Prime factors of 11878 are 2, 5939. Prime factorization of 11878 in exponential form is:

11878 = 21 × 59391

Prime Factorization of 11891

Prime factors of 11891 are 11, 23, 47. Prime factorization of 11891 in exponential form is:

11891 = 111 × 231 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 11878 and 11891.

LCM(11878,11891) = 21 × 59391 × 111 × 231 × 471
LCM(11878,11891) = 141241298