What is the Least Common Multiple of 31155 and 31173?

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 31155 and 31173 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31155 and 31173, than apply into the LCM equation.

GCF(31155,31173) = 3
LCM(31155,31173) = ( 31155 × 31173) / 3
LCM(31155,31173) = 971194815 / 3
LCM(31155,31173) = 323731605

Least Common Multiple (LCM) of 31155 and 31173 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31155 and 31173. First we will calculate the prime factors of 31155 and 31173.

Prime Factorization of 31155

Prime Factorization of 31173

Now multiplying the highest exponent prime factors to calculate the LCM of 31155 and 31173.

LCM(31155,31173) = 3¹ × 5¹ × 31¹ × 67¹ × 10391¹
LCM(31155,31173) = 323731605