What is the Least Common Multiple of 9403 and 9409?

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 9403 and 9409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9403 and 9409, than apply into the LCM equation.

GCF(9403,9409) = 1
LCM(9403,9409) = ( 9403 × 9409) / 1
LCM(9403,9409) = 88472827 / 1
LCM(9403,9409) = 88472827

Least Common Multiple (LCM) of 9403 and 9409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9403 and 9409. First we will calculate the prime factors of 9403 and 9409.

Prime Factorization of 9403

Prime Factorization of 9409

Now multiplying the highest exponent prime factors to calculate the LCM of 9403 and 9409.

LCM(9403,9409) = 9403¹ × 97²
LCM(9403,9409) = 88472827