What is the Least Common Multiple of 78831 and 78843?

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 78831 and 78843 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78831 and 78843, than apply into the LCM equation.

GCF(78831,78843) = 3
LCM(78831,78843) = ( 78831 × 78843) / 3
LCM(78831,78843) = 6215272533 / 3
LCM(78831,78843) = 2071757511

Least Common Multiple (LCM) of 78831 and 78843 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78831 and 78843. First we will calculate the prime factors of 78831 and 78843.

Prime Factorization of 78831

Prime Factorization of 78843

Now multiplying the highest exponent prime factors to calculate the LCM of 78831 and 78843.

LCM(78831,78843) = 3² × 19¹ × 461¹ × 41¹ × 641¹
LCM(78831,78843) = 2071757511