What is the Least Common Multiple of 51543 and 51561?

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 51543 and 51561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51543 and 51561, than apply into the LCM equation.

GCF(51543,51561) = 9
LCM(51543,51561) = ( 51543 × 51561) / 9
LCM(51543,51561) = 2657608623 / 9
LCM(51543,51561) = 295289847

Least Common Multiple (LCM) of 51543 and 51561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51543 and 51561. First we will calculate the prime factors of 51543 and 51561.

Prime Factorization of 51543

Prime Factorization of 51561

Now multiplying the highest exponent prime factors to calculate the LCM of 51543 and 51561.

LCM(51543,51561) = 3³ × 23¹ × 83¹ × 17¹ × 337¹
LCM(51543,51561) = 295289847