What is the Least Common Multiple of 91385 and 91400?

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 91385 and 91400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91385 and 91400, than apply into the LCM equation.

GCF(91385,91400) = 5
LCM(91385,91400) = ( 91385 × 91400) / 5
LCM(91385,91400) = 8352589000 / 5
LCM(91385,91400) = 1670517800

Least Common Multiple (LCM) of 91385 and 91400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91385 and 91400. First we will calculate the prime factors of 91385 and 91400.

Prime Factorization of 91385

Prime Factorization of 91400

Now multiplying the highest exponent prime factors to calculate the LCM of 91385 and 91400.

LCM(91385,91400) = 5² × 7² × 373¹ × 2³ × 457¹
LCM(91385,91400) = 1670517800