What is the Least Common Multiple of 14021 and 14028?

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 14021 and 14028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14021 and 14028, than apply into the LCM equation.

GCF(14021,14028) = 7
LCM(14021,14028) = ( 14021 × 14028) / 7
LCM(14021,14028) = 196686588 / 7
LCM(14021,14028) = 28098084

Least Common Multiple (LCM) of 14021 and 14028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14021 and 14028. First we will calculate the prime factors of 14021 and 14028.

Prime Factorization of 14021

Prime Factorization of 14028

Now multiplying the highest exponent prime factors to calculate the LCM of 14021 and 14028.

LCM(14021,14028) = 7¹ × 2003¹ × 2² × 3¹ × 167¹
LCM(14021,14028) = 28098084