What is the Least Common Multiple of 5385 and 5405?

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 5385 and 5405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5385 and 5405, than apply into the LCM equation.

GCF(5385,5405) = 5
LCM(5385,5405) = ( 5385 × 5405) / 5
LCM(5385,5405) = 29105925 / 5
LCM(5385,5405) = 5821185

Least Common Multiple (LCM) of 5385 and 5405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5385 and 5405. First we will calculate the prime factors of 5385 and 5405.

Prime Factorization of 5385

Prime Factorization of 5405

Now multiplying the highest exponent prime factors to calculate the LCM of 5385 and 5405.

LCM(5385,5405) = 3¹ × 5¹ × 359¹ × 23¹ × 47¹
LCM(5385,5405) = 5821185