What is the Least Common Multiple of 16020 and 16028?

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 16020 and 16028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16020 and 16028, than apply into the LCM equation.

GCF(16020,16028) = 4
LCM(16020,16028) = ( 16020 × 16028) / 4
LCM(16020,16028) = 256768560 / 4
LCM(16020,16028) = 64192140

Least Common Multiple (LCM) of 16020 and 16028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16020 and 16028. First we will calculate the prime factors of 16020 and 16028.

Prime Factorization of 16020

Prime Factorization of 16028

Now multiplying the highest exponent prime factors to calculate the LCM of 16020 and 16028.

LCM(16020,16028) = 2² × 3² × 5¹ × 89¹ × 4007¹
LCM(16020,16028) = 64192140