What is the Least Common Multiple of 45005 and 45020?

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 45005 and 45020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45005 and 45020, than apply into the LCM equation.

GCF(45005,45020) = 5
LCM(45005,45020) = ( 45005 × 45020) / 5
LCM(45005,45020) = 2026125100 / 5
LCM(45005,45020) = 405225020

Least Common Multiple (LCM) of 45005 and 45020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45005 and 45020. First we will calculate the prime factors of 45005 and 45020.

Prime Factorization of 45005

Prime Factorization of 45020

Now multiplying the highest exponent prime factors to calculate the LCM of 45005 and 45020.

LCM(45005,45020) = 5¹ × 9001¹ × 2² × 2251¹
LCM(45005,45020) = 405225020