What is the Least Common Multiple of 23215 and 23231?

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 23215 and 23231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23215 and 23231, than apply into the LCM equation.

GCF(23215,23231) = 1
LCM(23215,23231) = ( 23215 × 23231) / 1
LCM(23215,23231) = 539307665 / 1
LCM(23215,23231) = 539307665

Least Common Multiple (LCM) of 23215 and 23231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23215 and 23231. First we will calculate the prime factors of 23215 and 23231.

Prime Factorization of 23215

Prime Factorization of 23231

Now multiplying the highest exponent prime factors to calculate the LCM of 23215 and 23231.

LCM(23215,23231) = 5¹ × 4643¹ × 13¹ × 1787¹
LCM(23215,23231) = 539307665