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What is the Least Common Multiple of 18464 and 18473?

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 18464 and 18473 is 341085472.

LCM(18464,18473) = 341085472

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Least Common Multiple of 18464 and 18473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18464 and 18473, than apply into the LCM equation.

GCF(18464,18473) = 1
LCM(18464,18473) = ( 18464 × 18473) / 1
LCM(18464,18473) = 341085472 / 1
LCM(18464,18473) = 341085472

Least Common Multiple (LCM) of 18464 and 18473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18464 and 18473. First we will calculate the prime factors of 18464 and 18473.

Prime Factorization of 18464

Prime factors of 18464 are 2, 577. Prime factorization of 18464 in exponential form is:

18464 = 25 × 5771

Prime Factorization of 18473

Prime factors of 18473 are 7, 13, 29. Prime factorization of 18473 in exponential form is:

18473 = 72 × 131 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 18464 and 18473.

LCM(18464,18473) = 25 × 5771 × 72 × 131 × 291
LCM(18464,18473) = 341085472