What is the Least Common Multiple of 51915 and 51921?

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 51915 and 51921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51915 and 51921, than apply into the LCM equation.

GCF(51915,51921) = 3
LCM(51915,51921) = ( 51915 × 51921) / 3
LCM(51915,51921) = 2695478715 / 3
LCM(51915,51921) = 898492905

Least Common Multiple (LCM) of 51915 and 51921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51915 and 51921. First we will calculate the prime factors of 51915 and 51921.

Prime Factorization of 51915

Prime Factorization of 51921

Now multiplying the highest exponent prime factors to calculate the LCM of 51915 and 51921.

LCM(51915,51921) = 3⁴ × 5¹ × 3461¹ × 641¹
LCM(51915,51921) = 898492905