What is the Least Common Multiple of 5381 and 5391?

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 5381 and 5391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5381 and 5391, than apply into the LCM equation.

GCF(5381,5391) = 1
LCM(5381,5391) = ( 5381 × 5391) / 1
LCM(5381,5391) = 29008971 / 1
LCM(5381,5391) = 29008971

Least Common Multiple (LCM) of 5381 and 5391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5381 and 5391. First we will calculate the prime factors of 5381 and 5391.

Prime Factorization of 5381

Prime Factorization of 5391

Now multiplying the highest exponent prime factors to calculate the LCM of 5381 and 5391.

LCM(5381,5391) = 5381¹ × 3² × 599¹
LCM(5381,5391) = 29008971