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What is the Least Common Multiple of 18428 and 18443?

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 (LCM) of 18428 and 18443 is 339867604.

LCM(18428,18443) = 339867604

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Least Common Multiple of 18428 and 18443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18428 and 18443, than apply into the LCM equation.

GCF(18428,18443) = 1
LCM(18428,18443) = ( 18428 × 18443) / 1
LCM(18428,18443) = 339867604 / 1
LCM(18428,18443) = 339867604

Least Common Multiple (LCM) of 18428 and 18443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18428 and 18443. First we will calculate the prime factors of 18428 and 18443.

Prime Factorization of 18428

Prime factors of 18428 are 2, 17, 271. Prime factorization of 18428 in exponential form is:

18428 = 22 × 171 × 2711

Prime Factorization of 18443

Prime factors of 18443 are 18443. Prime factorization of 18443 in exponential form is:

18443 = 184431

Now multiplying the highest exponent prime factors to calculate the LCM of 18428 and 18443.

LCM(18428,18443) = 22 × 171 × 2711 × 184431
LCM(18428,18443) = 339867604