GCF and LCM Calculator Logo

What is the Least Common Multiple of 15866 and 15873?

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 15866 and 15873 is 251841018.

LCM(15866,15873) = 251841018

LCM Calculator and
and

Least Common Multiple of 15866 and 15873 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15866 and 15873, than apply into the LCM equation.

GCF(15866,15873) = 1
LCM(15866,15873) = ( 15866 × 15873) / 1
LCM(15866,15873) = 251841018 / 1
LCM(15866,15873) = 251841018

Least Common Multiple (LCM) of 15866 and 15873 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15866 and 15873. First we will calculate the prime factors of 15866 and 15873.

Prime Factorization of 15866

Prime factors of 15866 are 2, 7933. Prime factorization of 15866 in exponential form is:

15866 = 21 × 79331

Prime Factorization of 15873

Prime factors of 15873 are 3, 11, 13, 37. Prime factorization of 15873 in exponential form is:

15873 = 31 × 111 × 131 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 15866 and 15873.

LCM(15866,15873) = 21 × 79331 × 31 × 111 × 131 × 371
LCM(15866,15873) = 251841018