What is the Least Common Multiple of 6439 and 6451?

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 6439 and 6451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6439 and 6451, than apply into the LCM equation.

GCF(6439,6451) = 1
LCM(6439,6451) = ( 6439 × 6451) / 1
LCM(6439,6451) = 41537989 / 1
LCM(6439,6451) = 41537989

Least Common Multiple (LCM) of 6439 and 6451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6439 and 6451. First we will calculate the prime factors of 6439 and 6451.

Prime Factorization of 6439

Prime Factorization of 6451

Now multiplying the highest exponent prime factors to calculate the LCM of 6439 and 6451.

LCM(6439,6451) = 47¹ × 137¹ × 6451¹
LCM(6439,6451) = 41537989