What is the Least Common Multiple of 61143 and 61161?

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 61143 and 61161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61143 and 61161, than apply into the LCM equation.

GCF(61143,61161) = 3
LCM(61143,61161) = ( 61143 × 61161) / 3
LCM(61143,61161) = 3739567023 / 3
LCM(61143,61161) = 1246522341

Least Common Multiple (LCM) of 61143 and 61161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61143 and 61161. First we will calculate the prime factors of 61143 and 61161.

Prime Factorization of 61143

Prime Factorization of 61161

Now multiplying the highest exponent prime factors to calculate the LCM of 61143 and 61161.

LCM(61143,61161) = 3¹ × 89¹ × 229¹ × 19¹ × 29¹ × 37¹
LCM(61143,61161) = 1246522341