What is the Least Common Multiple of 56000 and 56020?

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 56000 and 56020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56000 and 56020, than apply into the LCM equation.

GCF(56000,56020) = 20
LCM(56000,56020) = ( 56000 × 56020) / 20
LCM(56000,56020) = 3137120000 / 20
LCM(56000,56020) = 156856000

Least Common Multiple (LCM) of 56000 and 56020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56000 and 56020. First we will calculate the prime factors of 56000 and 56020.

Prime Factorization of 56000

Prime Factorization of 56020

Now multiplying the highest exponent prime factors to calculate the LCM of 56000 and 56020.

LCM(56000,56020) = 2⁶ × 5³ × 7¹ × 2801¹
LCM(56000,56020) = 156856000