What is the Least Common Multiple of 16438 and 16456?

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 16438 and 16456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16438 and 16456, than apply into the LCM equation.

GCF(16438,16456) = 2
LCM(16438,16456) = ( 16438 × 16456) / 2
LCM(16438,16456) = 270503728 / 2
LCM(16438,16456) = 135251864

Least Common Multiple (LCM) of 16438 and 16456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16438 and 16456. First we will calculate the prime factors of 16438 and 16456.

Prime Factorization of 16438

Prime Factorization of 16456

Now multiplying the highest exponent prime factors to calculate the LCM of 16438 and 16456.

LCM(16438,16456) = 2³ × 8219¹ × 11² × 17¹
LCM(16438,16456) = 135251864