What is the Least Common Multiple of 6385 and 6391?

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 6385 and 6391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6385 and 6391, than apply into the LCM equation.

GCF(6385,6391) = 1
LCM(6385,6391) = ( 6385 × 6391) / 1
LCM(6385,6391) = 40806535 / 1
LCM(6385,6391) = 40806535

Least Common Multiple (LCM) of 6385 and 6391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6385 and 6391. First we will calculate the prime factors of 6385 and 6391.

Prime Factorization of 6385

Prime Factorization of 6391

Now multiplying the highest exponent prime factors to calculate the LCM of 6385 and 6391.

LCM(6385,6391) = 5¹ × 1277¹ × 7¹ × 11¹ × 83¹
LCM(6385,6391) = 40806535