What is the Least Common Multiple of 75831 and 75838?

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 75831 and 75838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75831 and 75838, than apply into the LCM equation.

GCF(75831,75838) = 7
LCM(75831,75838) = ( 75831 × 75838) / 7
LCM(75831,75838) = 5750871378 / 7
LCM(75831,75838) = 821553054

Least Common Multiple (LCM) of 75831 and 75838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75831 and 75838. First we will calculate the prime factors of 75831 and 75838.

Prime Factorization of 75831

Prime Factorization of 75838

Now multiplying the highest exponent prime factors to calculate the LCM of 75831 and 75838.

LCM(75831,75838) = 3¹ × 7¹ × 23¹ × 157¹ × 2¹ × 5417¹
LCM(75831,75838) = 821553054