What is the Least Common Multiple of 9403 and 9421?

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 9421 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 9421, than apply into the LCM equation.

GCF(9403,9421) = 1
LCM(9403,9421) = ( 9403 × 9421) / 1
LCM(9403,9421) = 88585663 / 1
LCM(9403,9421) = 88585663

Least Common Multiple (LCM) of 9403 and 9421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9403 and 9421. First we will calculate the prime factors of 9403 and 9421.

Prime Factorization of 9403

Prime Factorization of 9421

Now multiplying the highest exponent prime factors to calculate the LCM of 9403 and 9421.

LCM(9403,9421) = 9403¹ × 9421¹
LCM(9403,9421) = 88585663