What is the Least Common Multiple of 14005 and 14021?

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 14005 and 14021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14005 and 14021, than apply into the LCM equation.

GCF(14005,14021) = 1
LCM(14005,14021) = ( 14005 × 14021) / 1
LCM(14005,14021) = 196364105 / 1
LCM(14005,14021) = 196364105

Least Common Multiple (LCM) of 14005 and 14021 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14005 and 14021. First we will calculate the prime factors of 14005 and 14021.

Prime Factorization of 14005

Prime Factorization of 14021

Now multiplying the highest exponent prime factors to calculate the LCM of 14005 and 14021.

LCM(14005,14021) = 5¹ × 2801¹ × 7¹ × 2003¹
LCM(14005,14021) = 196364105