What is the Least Common Multiple of 9555 and 9575?

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 9555 and 9575 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9555 and 9575, than apply into the LCM equation.

GCF(9555,9575) = 5
LCM(9555,9575) = ( 9555 × 9575) / 5
LCM(9555,9575) = 91489125 / 5
LCM(9555,9575) = 18297825

Least Common Multiple (LCM) of 9555 and 9575 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9555 and 9575. First we will calculate the prime factors of 9555 and 9575.

Prime Factorization of 9555

Prime Factorization of 9575

Now multiplying the highest exponent prime factors to calculate the LCM of 9555 and 9575.

LCM(9555,9575) = 3¹ × 5² × 7² × 13¹ × 383¹
LCM(9555,9575) = 18297825