What is the Least Common Multiple of 54543 and 54561?

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 54543 and 54561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54543 and 54561, than apply into the LCM equation.

GCF(54543,54561) = 3
LCM(54543,54561) = ( 54543 × 54561) / 3
LCM(54543,54561) = 2975920623 / 3
LCM(54543,54561) = 991973541

Least Common Multiple (LCM) of 54543 and 54561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54543 and 54561. First we will calculate the prime factors of 54543 and 54561.

Prime Factorization of 54543

Prime Factorization of 54561

Now multiplying the highest exponent prime factors to calculate the LCM of 54543 and 54561.

LCM(54543,54561) = 3¹ × 18181¹ × 13¹ × 1399¹
LCM(54543,54561) = 991973541