What is the Least Common Multiple of 61221 and 61231?

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 61221 and 61231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61221 and 61231, than apply into the LCM equation.

GCF(61221,61231) = 1
LCM(61221,61231) = ( 61221 × 61231) / 1
LCM(61221,61231) = 3748623051 / 1
LCM(61221,61231) = 3748623051

Least Common Multiple (LCM) of 61221 and 61231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61221 and 61231. First we will calculate the prime factors of 61221 and 61231.

Prime Factorization of 61221

Prime Factorization of 61231

Now multiplying the highest exponent prime factors to calculate the LCM of 61221 and 61231.

LCM(61221,61231) = 3¹ × 20407¹ × 61231¹
LCM(61221,61231) = 3748623051