What is the Least Common Multiple of 16658 and 16668?

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 16658 and 16668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16658 and 16668, than apply into the LCM equation.

GCF(16658,16668) = 2
LCM(16658,16668) = ( 16658 × 16668) / 2
LCM(16658,16668) = 277655544 / 2
LCM(16658,16668) = 138827772

Least Common Multiple (LCM) of 16658 and 16668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16658 and 16668. First we will calculate the prime factors of 16658 and 16668.

Prime Factorization of 16658

Prime Factorization of 16668

Now multiplying the highest exponent prime factors to calculate the LCM of 16658 and 16668.

LCM(16658,16668) = 2² × 8329¹ × 3² × 463¹
LCM(16658,16668) = 138827772