What is the Least Common Multiple of 16428 and 16432?

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 16428 and 16432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16428 and 16432, than apply into the LCM equation.

GCF(16428,16432) = 4
LCM(16428,16432) = ( 16428 × 16432) / 4
LCM(16428,16432) = 269944896 / 4
LCM(16428,16432) = 67486224

Least Common Multiple (LCM) of 16428 and 16432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16428 and 16432. First we will calculate the prime factors of 16428 and 16432.

Prime Factorization of 16428

Prime Factorization of 16432

Now multiplying the highest exponent prime factors to calculate the LCM of 16428 and 16432.

LCM(16428,16432) = 2⁴ × 3¹ × 37² × 13¹ × 79¹
LCM(16428,16432) = 67486224