What is the Least Common Multiple of 51381 and 51387?

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 51381 and 51387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51381 and 51387, than apply into the LCM equation.

GCF(51381,51387) = 3
LCM(51381,51387) = ( 51381 × 51387) / 3
LCM(51381,51387) = 2640315447 / 3
LCM(51381,51387) = 880105149

Least Common Multiple (LCM) of 51381 and 51387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51381 and 51387. First we will calculate the prime factors of 51381 and 51387.

Prime Factorization of 51381

Prime Factorization of 51387

Now multiplying the highest exponent prime factors to calculate the LCM of 51381 and 51387.

LCM(51381,51387) = 3³ × 11¹ × 173¹ × 7¹ × 2447¹
LCM(51381,51387) = 880105149