What is the Least Common Multiple of 31281 and 31293?

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 31281 and 31293 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31281 and 31293, than apply into the LCM equation.

GCF(31281,31293) = 3
LCM(31281,31293) = ( 31281 × 31293) / 3
LCM(31281,31293) = 978876333 / 3
LCM(31281,31293) = 326292111

Least Common Multiple (LCM) of 31281 and 31293 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31281 and 31293. First we will calculate the prime factors of 31281 and 31293.

Prime Factorization of 31281

Prime Factorization of 31293

Now multiplying the highest exponent prime factors to calculate the LCM of 31281 and 31293.

LCM(31281,31293) = 3³ × 10427¹ × 19¹ × 61¹
LCM(31281,31293) = 326292111