What is the Least Common Multiple of 31407 and 31413?

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 31407 and 31413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31407 and 31413, than apply into the LCM equation.

GCF(31407,31413) = 3
LCM(31407,31413) = ( 31407 × 31413) / 3
LCM(31407,31413) = 986588091 / 3
LCM(31407,31413) = 328862697

Least Common Multiple (LCM) of 31407 and 31413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31407 and 31413. First we will calculate the prime factors of 31407 and 31413.

Prime Factorization of 31407

Prime Factorization of 31413

Now multiplying the highest exponent prime factors to calculate the LCM of 31407 and 31413.

LCM(31407,31413) = 3¹ × 19² × 29¹ × 37¹ × 283¹
LCM(31407,31413) = 328862697