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What is the Least Common Multiple of 18465 and 18472?

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 18465 and 18472 is 341085480.

LCM(18465,18472) = 341085480

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Least Common Multiple of 18465 and 18472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18465 and 18472, than apply into the LCM equation.

GCF(18465,18472) = 1
LCM(18465,18472) = ( 18465 × 18472) / 1
LCM(18465,18472) = 341085480 / 1
LCM(18465,18472) = 341085480

Least Common Multiple (LCM) of 18465 and 18472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18465 and 18472. First we will calculate the prime factors of 18465 and 18472.

Prime Factorization of 18465

Prime factors of 18465 are 3, 5, 1231. Prime factorization of 18465 in exponential form is:

18465 = 31 × 51 × 12311

Prime Factorization of 18472

Prime factors of 18472 are 2, 2309. Prime factorization of 18472 in exponential form is:

18472 = 23 × 23091

Now multiplying the highest exponent prime factors to calculate the LCM of 18465 and 18472.

LCM(18465,18472) = 31 × 51 × 12311 × 23 × 23091
LCM(18465,18472) = 341085480