GCF and LCM Calculator Logo

What is the Least Common Multiple of 15815 and 15823?

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 15815 and 15823 is 250240745.

LCM(15815,15823) = 250240745

LCM Calculator and
and

Least Common Multiple of 15815 and 15823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15815 and 15823, than apply into the LCM equation.

GCF(15815,15823) = 1
LCM(15815,15823) = ( 15815 × 15823) / 1
LCM(15815,15823) = 250240745 / 1
LCM(15815,15823) = 250240745

Least Common Multiple (LCM) of 15815 and 15823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15815 and 15823. First we will calculate the prime factors of 15815 and 15823.

Prime Factorization of 15815

Prime factors of 15815 are 5, 3163. Prime factorization of 15815 in exponential form is:

15815 = 51 × 31631

Prime Factorization of 15823

Prime factors of 15823 are 15823. Prime factorization of 15823 in exponential form is:

15823 = 158231

Now multiplying the highest exponent prime factors to calculate the LCM of 15815 and 15823.

LCM(15815,15823) = 51 × 31631 × 158231
LCM(15815,15823) = 250240745