What is the Least Common Multiple of 31860 and 31865?

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 31860 and 31865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31860 and 31865, than apply into the LCM equation.

GCF(31860,31865) = 5
LCM(31860,31865) = ( 31860 × 31865) / 5
LCM(31860,31865) = 1015218900 / 5
LCM(31860,31865) = 203043780

Least Common Multiple (LCM) of 31860 and 31865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31860 and 31865. First we will calculate the prime factors of 31860 and 31865.

Prime Factorization of 31860

Prime Factorization of 31865

Now multiplying the highest exponent prime factors to calculate the LCM of 31860 and 31865.

LCM(31860,31865) = 2² × 3³ × 5¹ × 59¹ × 6373¹
LCM(31860,31865) = 203043780