What is the Least Common Multiple of 51891 and 51905?

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 51891 and 51905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51891 and 51905, than apply into the LCM equation.

GCF(51891,51905) = 7
LCM(51891,51905) = ( 51891 × 51905) / 7
LCM(51891,51905) = 2693402355 / 7
LCM(51891,51905) = 384771765

Least Common Multiple (LCM) of 51891 and 51905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51891 and 51905. First we will calculate the prime factors of 51891 and 51905.

Prime Factorization of 51891

Prime Factorization of 51905

Now multiplying the highest exponent prime factors to calculate the LCM of 51891 and 51905.

LCM(51891,51905) = 3¹ × 7² × 353¹ × 5¹ × 1483¹
LCM(51891,51905) = 384771765