What is the Least Common Multiple of 13161 and 13181?

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 13161 and 13181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13161 and 13181, than apply into the LCM equation.

GCF(13161,13181) = 1
LCM(13161,13181) = ( 13161 × 13181) / 1
LCM(13161,13181) = 173475141 / 1
LCM(13161,13181) = 173475141

Least Common Multiple (LCM) of 13161 and 13181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13161 and 13181. First we will calculate the prime factors of 13161 and 13181.

Prime Factorization of 13161

Prime Factorization of 13181

Now multiplying the highest exponent prime factors to calculate the LCM of 13161 and 13181.

LCM(13161,13181) = 3¹ × 41¹ × 107¹ × 7² × 269¹
LCM(13161,13181) = 173475141