GCF and LCM Calculator Logo

What is the Least Common Multiple of 18391 and 18401?

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 18391 and 18401 is 338412791.

LCM(18391,18401) = 338412791

LCM Calculator and
and

Least Common Multiple of 18391 and 18401 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18391 and 18401, than apply into the LCM equation.

GCF(18391,18401) = 1
LCM(18391,18401) = ( 18391 × 18401) / 1
LCM(18391,18401) = 338412791 / 1
LCM(18391,18401) = 338412791

Least Common Multiple (LCM) of 18391 and 18401 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18391 and 18401. First we will calculate the prime factors of 18391 and 18401.

Prime Factorization of 18391

Prime factors of 18391 are 53, 347. Prime factorization of 18391 in exponential form is:

18391 = 531 × 3471

Prime Factorization of 18401

Prime factors of 18401 are 18401. Prime factorization of 18401 in exponential form is:

18401 = 184011

Now multiplying the highest exponent prime factors to calculate the LCM of 18391 and 18401.

LCM(18391,18401) = 531 × 3471 × 184011
LCM(18391,18401) = 338412791