What is the Least Common Multiple of 31941 and 31947?

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 31941 and 31947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31941 and 31947, than apply into the LCM equation.

GCF(31941,31947) = 3
LCM(31941,31947) = ( 31941 × 31947) / 3
LCM(31941,31947) = 1020419127 / 3
LCM(31941,31947) = 340139709

Least Common Multiple (LCM) of 31941 and 31947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31941 and 31947. First we will calculate the prime factors of 31941 and 31947.

Prime Factorization of 31941

Prime Factorization of 31947

Now multiplying the highest exponent prime factors to calculate the LCM of 31941 and 31947.

LCM(31941,31947) = 3³ × 7¹ × 13² × 23¹ × 463¹
LCM(31941,31947) = 340139709