What is the Least Common Multiple of 9603 and 9609?

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 9603 and 9609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9603 and 9609, than apply into the LCM equation.

GCF(9603,9609) = 3
LCM(9603,9609) = ( 9603 × 9609) / 3
LCM(9603,9609) = 92275227 / 3
LCM(9603,9609) = 30758409

Least Common Multiple (LCM) of 9603 and 9609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9603 and 9609. First we will calculate the prime factors of 9603 and 9609.

Prime Factorization of 9603

Prime Factorization of 9609

Now multiplying the highest exponent prime factors to calculate the LCM of 9603 and 9609.

LCM(9603,9609) = 3² × 11¹ × 97¹ × 3203¹
LCM(9603,9609) = 30758409