What is the Least Common Multiple of 23191 and 23209?

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 23191 and 23209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23191 and 23209, than apply into the LCM equation.

GCF(23191,23209) = 1
LCM(23191,23209) = ( 23191 × 23209) / 1
LCM(23191,23209) = 538239919 / 1
LCM(23191,23209) = 538239919

Least Common Multiple (LCM) of 23191 and 23209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23191 and 23209. First we will calculate the prime factors of 23191 and 23209.

Prime Factorization of 23191

Prime Factorization of 23209

Now multiplying the highest exponent prime factors to calculate the LCM of 23191 and 23209.

LCM(23191,23209) = 7¹ × 3313¹ × 23209¹
LCM(23191,23209) = 538239919