GCF and LCM Calculator Logo

What is the Least Common Multiple of 11891 and 11903?

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 11891 and 11903 is 141538573.

LCM(11891,11903) = 141538573

LCM Calculator and
and

Least Common Multiple of 11891 and 11903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11891 and 11903, than apply into the LCM equation.

GCF(11891,11903) = 1
LCM(11891,11903) = ( 11891 × 11903) / 1
LCM(11891,11903) = 141538573 / 1
LCM(11891,11903) = 141538573

Least Common Multiple (LCM) of 11891 and 11903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11891 and 11903. First we will calculate the prime factors of 11891 and 11903.

Prime Factorization of 11891

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

11891 = 111 × 231 × 471

Prime Factorization of 11903

Prime factors of 11903 are 11903. Prime factorization of 11903 in exponential form is:

11903 = 119031

Now multiplying the highest exponent prime factors to calculate the LCM of 11891 and 11903.

LCM(11891,11903) = 111 × 231 × 471 × 119031
LCM(11891,11903) = 141538573