What is the Least Common Multiple of 80890 and 80900?

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 80890 and 80900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80890 and 80900, than apply into the LCM equation.

GCF(80890,80900) = 10
LCM(80890,80900) = ( 80890 × 80900) / 10
LCM(80890,80900) = 6544001000 / 10
LCM(80890,80900) = 654400100

Least Common Multiple (LCM) of 80890 and 80900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80890 and 80900. First we will calculate the prime factors of 80890 and 80900.

Prime Factorization of 80890

Prime Factorization of 80900

Now multiplying the highest exponent prime factors to calculate the LCM of 80890 and 80900.

LCM(80890,80900) = 2² × 5² × 8089¹ × 809¹
LCM(80890,80900) = 654400100