What is the Least Common Multiple of 18128 and 18143?

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 18128 and 18143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18128 and 18143, than apply into the LCM equation.

GCF(18128,18143) = 1
LCM(18128,18143) = ( 18128 × 18143) / 1
LCM(18128,18143) = 328896304 / 1
LCM(18128,18143) = 328896304

Least Common Multiple (LCM) of 18128 and 18143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18128 and 18143. First we will calculate the prime factors of 18128 and 18143.

Prime Factorization of 18128

Prime Factorization of 18143

Now multiplying the highest exponent prime factors to calculate the LCM of 18128 and 18143.

LCM(18128,18143) = 2⁴ × 11¹ × 103¹ × 18143¹
LCM(18128,18143) = 328896304