What is the Least Common Multiple of 65020 and 65028?

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 65020 and 65028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65020 and 65028, than apply into the LCM equation.

GCF(65020,65028) = 4
LCM(65020,65028) = ( 65020 × 65028) / 4
LCM(65020,65028) = 4228120560 / 4
LCM(65020,65028) = 1057030140

Least Common Multiple (LCM) of 65020 and 65028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65020 and 65028. First we will calculate the prime factors of 65020 and 65028.

Prime Factorization of 65020

Prime Factorization of 65028

Now multiplying the highest exponent prime factors to calculate the LCM of 65020 and 65028.

LCM(65020,65028) = 2² × 5¹ × 3251¹ × 3¹ × 5419¹
LCM(65020,65028) = 1057030140