What is the Least Common Multiple of 73400 and 73405?

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 73400 and 73405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73400 and 73405, than apply into the LCM equation.

GCF(73400,73405) = 5
LCM(73400,73405) = ( 73400 × 73405) / 5
LCM(73400,73405) = 5387927000 / 5
LCM(73400,73405) = 1077585400

Least Common Multiple (LCM) of 73400 and 73405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73400 and 73405. First we will calculate the prime factors of 73400 and 73405.

Prime Factorization of 73400

Prime Factorization of 73405

Now multiplying the highest exponent prime factors to calculate the LCM of 73400 and 73405.

LCM(73400,73405) = 2³ × 5² × 367¹ × 53¹ × 277¹
LCM(73400,73405) = 1077585400