What is the Least Common Multiple of 51821 and 51828?

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 51821 and 51828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51821 and 51828, than apply into the LCM equation.

GCF(51821,51828) = 7
LCM(51821,51828) = ( 51821 × 51828) / 7
LCM(51821,51828) = 2685778788 / 7
LCM(51821,51828) = 383682684

Least Common Multiple (LCM) of 51821 and 51828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51821 and 51828. First we will calculate the prime factors of 51821 and 51828.

Prime Factorization of 51821

Prime Factorization of 51828

Now multiplying the highest exponent prime factors to calculate the LCM of 51821 and 51828.

LCM(51821,51828) = 7¹ × 11¹ × 673¹ × 2² × 3¹ × 617¹
LCM(51821,51828) = 383682684