What is the Least Common Multiple of 6370 and 6378?

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 6370 and 6378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6370 and 6378, than apply into the LCM equation.

GCF(6370,6378) = 2
LCM(6370,6378) = ( 6370 × 6378) / 2
LCM(6370,6378) = 40627860 / 2
LCM(6370,6378) = 20313930

Least Common Multiple (LCM) of 6370 and 6378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6370 and 6378. First we will calculate the prime factors of 6370 and 6378.

Prime Factorization of 6370

Prime Factorization of 6378

Now multiplying the highest exponent prime factors to calculate the LCM of 6370 and 6378.

LCM(6370,6378) = 2¹ × 5¹ × 7² × 13¹ × 3¹ × 1063¹
LCM(6370,6378) = 20313930