What is the Least Common Multiple of 16556 and 16572?

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 16556 and 16572 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16556 and 16572, than apply into the LCM equation.

GCF(16556,16572) = 4
LCM(16556,16572) = ( 16556 × 16572) / 4
LCM(16556,16572) = 274366032 / 4
LCM(16556,16572) = 68591508

Least Common Multiple (LCM) of 16556 and 16572 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16556 and 16572. First we will calculate the prime factors of 16556 and 16572.

Prime Factorization of 16556

Prime Factorization of 16572

Now multiplying the highest exponent prime factors to calculate the LCM of 16556 and 16572.

LCM(16556,16572) = 2² × 4139¹ × 3¹ × 1381¹
LCM(16556,16572) = 68591508