What is the Least Common Multiple of 23815 and 23830?

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 of 23815 and 23830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23815 and 23830, than apply into the LCM equation.

GCF(23815,23830) = 5
LCM(23815,23830) = ( 23815 × 23830) / 5
LCM(23815,23830) = 567511450 / 5
LCM(23815,23830) = 113502290

Least Common Multiple (LCM) of 23815 and 23830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23815 and 23830. First we will calculate the prime factors of 23815 and 23830.

Prime Factorization of 23815

Prime Factorization of 23830

Now multiplying the highest exponent prime factors to calculate the LCM of 23815 and 23830.

LCM(23815,23830) = 5¹ × 11¹ × 433¹ × 2¹ × 2383¹
LCM(23815,23830) = 113502290