What is the Least Common Multiple of 10403 and 10407?

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 10403 and 10407 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10403 and 10407, than apply into the LCM equation.

GCF(10403,10407) = 1
LCM(10403,10407) = ( 10403 × 10407) / 1
LCM(10403,10407) = 108264021 / 1
LCM(10403,10407) = 108264021

Least Common Multiple (LCM) of 10403 and 10407 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10403 and 10407. First we will calculate the prime factors of 10403 and 10407.

Prime Factorization of 10403

Prime Factorization of 10407

Now multiplying the highest exponent prime factors to calculate the LCM of 10403 and 10407.

LCM(10403,10407) = 101¹ × 103¹ × 3¹ × 3469¹
LCM(10403,10407) = 108264021