What is the Least Common Multiple of 22128 and 22143?

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 22128 and 22143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22128 and 22143, than apply into the LCM equation.

GCF(22128,22143) = 3
LCM(22128,22143) = ( 22128 × 22143) / 3
LCM(22128,22143) = 489980304 / 3
LCM(22128,22143) = 163326768

Least Common Multiple (LCM) of 22128 and 22143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22128 and 22143. First we will calculate the prime factors of 22128 and 22143.

Prime Factorization of 22128

Prime Factorization of 22143

Now multiplying the highest exponent prime factors to calculate the LCM of 22128 and 22143.

LCM(22128,22143) = 2⁴ × 3¹ × 461¹ × 11² × 61¹
LCM(22128,22143) = 163326768