GCF and LCM Calculator Logo

What is the Least Common Multiple of 11380 and 11391?

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 11380 and 11391 is 129629580.

LCM(11380,11391) = 129629580

LCM Calculator and
and

Least Common Multiple of 11380 and 11391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11380 and 11391, than apply into the LCM equation.

GCF(11380,11391) = 1
LCM(11380,11391) = ( 11380 × 11391) / 1
LCM(11380,11391) = 129629580 / 1
LCM(11380,11391) = 129629580

Least Common Multiple (LCM) of 11380 and 11391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11380 and 11391. First we will calculate the prime factors of 11380 and 11391.

Prime Factorization of 11380

Prime factors of 11380 are 2, 5, 569. Prime factorization of 11380 in exponential form is:

11380 = 22 × 51 × 5691

Prime Factorization of 11391

Prime factors of 11391 are 3, 3797. Prime factorization of 11391 in exponential form is:

11391 = 31 × 37971

Now multiplying the highest exponent prime factors to calculate the LCM of 11380 and 11391.

LCM(11380,11391) = 22 × 51 × 5691 × 31 × 37971
LCM(11380,11391) = 129629580