What is the Least Common Multiple of 16400 and 16407?

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 16400 and 16407 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16400 and 16407, than apply into the LCM equation.

GCF(16400,16407) = 1
LCM(16400,16407) = ( 16400 × 16407) / 1
LCM(16400,16407) = 269074800 / 1
LCM(16400,16407) = 269074800

Least Common Multiple (LCM) of 16400 and 16407 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16400 and 16407. First we will calculate the prime factors of 16400 and 16407.

Prime Factorization of 16400

Prime Factorization of 16407

Now multiplying the highest exponent prime factors to calculate the LCM of 16400 and 16407.

LCM(16400,16407) = 2⁴ × 5² × 41¹ × 3² × 1823¹
LCM(16400,16407) = 269074800