What is the Least Common Multiple of 6342 and 6358?

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 6342 and 6358 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6342 and 6358, than apply into the LCM equation.

GCF(6342,6358) = 2
LCM(6342,6358) = ( 6342 × 6358) / 2
LCM(6342,6358) = 40322436 / 2
LCM(6342,6358) = 20161218

Least Common Multiple (LCM) of 6342 and 6358 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6342 and 6358. First we will calculate the prime factors of 6342 and 6358.

Prime Factorization of 6342

Prime Factorization of 6358

Now multiplying the highest exponent prime factors to calculate the LCM of 6342 and 6358.

LCM(6342,6358) = 2¹ × 3¹ × 7¹ × 151¹ × 11¹ × 17²
LCM(6342,6358) = 20161218