What is the Least Common Multiple of 80440 and 80450?

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 80440 and 80450 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80440 and 80450, than apply into the LCM equation.

GCF(80440,80450) = 10
LCM(80440,80450) = ( 80440 × 80450) / 10
LCM(80440,80450) = 6471398000 / 10
LCM(80440,80450) = 647139800

Least Common Multiple (LCM) of 80440 and 80450 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80440 and 80450. First we will calculate the prime factors of 80440 and 80450.

Prime Factorization of 80440

Prime Factorization of 80450

Now multiplying the highest exponent prime factors to calculate the LCM of 80440 and 80450.

LCM(80440,80450) = 2³ × 5² × 2011¹ × 1609¹
LCM(80440,80450) = 647139800