What is the Least Common Multiple of 6380 and 6386?

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 6380 and 6386 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6380 and 6386, than apply into the LCM equation.

GCF(6380,6386) = 2
LCM(6380,6386) = ( 6380 × 6386) / 2
LCM(6380,6386) = 40742680 / 2
LCM(6380,6386) = 20371340

Least Common Multiple (LCM) of 6380 and 6386 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6380 and 6386. First we will calculate the prime factors of 6380 and 6386.

Prime Factorization of 6380

Prime Factorization of 6386

Now multiplying the highest exponent prime factors to calculate the LCM of 6380 and 6386.

LCM(6380,6386) = 2² × 5¹ × 11¹ × 29¹ × 31¹ × 103¹
LCM(6380,6386) = 20371340