What is the Least Common Multiple of 51561 and 51581?

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 51561 and 51581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51561 and 51581, than apply into the LCM equation.

GCF(51561,51581) = 1
LCM(51561,51581) = ( 51561 × 51581) / 1
LCM(51561,51581) = 2659567941 / 1
LCM(51561,51581) = 2659567941

Least Common Multiple (LCM) of 51561 and 51581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51561 and 51581. First we will calculate the prime factors of 51561 and 51581.

Prime Factorization of 51561

Prime Factorization of 51581

Now multiplying the highest exponent prime factors to calculate the LCM of 51561 and 51581.

LCM(51561,51581) = 3² × 17¹ × 337¹ × 51581¹
LCM(51561,51581) = 2659567941