What is the Least Common Multiple of 16728 and 16748?

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 16728 and 16748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16728 and 16748, than apply into the LCM equation.

GCF(16728,16748) = 4
LCM(16728,16748) = ( 16728 × 16748) / 4
LCM(16728,16748) = 280160544 / 4
LCM(16728,16748) = 70040136

Least Common Multiple (LCM) of 16728 and 16748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16728 and 16748. First we will calculate the prime factors of 16728 and 16748.

Prime Factorization of 16728

Prime Factorization of 16748

Now multiplying the highest exponent prime factors to calculate the LCM of 16728 and 16748.

LCM(16728,16748) = 2³ × 3¹ × 17¹ × 41¹ × 53¹ × 79¹
LCM(16728,16748) = 70040136