GCF and LCM Calculator Logo

What is the Least Common Multiple of 80531 and 80545?

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 (LCM) of 80531 and 80545 is 6486369395.

LCM(80531,80545) = 6486369395

LCM Calculator and
and

Least Common Multiple of 80531 and 80545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80531 and 80545, than apply into the LCM equation.

GCF(80531,80545) = 1
LCM(80531,80545) = ( 80531 × 80545) / 1
LCM(80531,80545) = 6486369395 / 1
LCM(80531,80545) = 6486369395

Least Common Multiple (LCM) of 80531 and 80545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80531 and 80545. First we will calculate the prime factors of 80531 and 80545.

Prime Factorization of 80531

Prime factors of 80531 are 11, 7321. Prime factorization of 80531 in exponential form is:

80531 = 111 × 73211

Prime Factorization of 80545

Prime factors of 80545 are 5, 89, 181. Prime factorization of 80545 in exponential form is:

80545 = 51 × 891 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 80531 and 80545.

LCM(80531,80545) = 111 × 73211 × 51 × 891 × 1811
LCM(80531,80545) = 6486369395