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What is the Least Common Multiple of 18413 and 18422?

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 18413 and 18422 is 339204286.

LCM(18413,18422) = 339204286

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Least Common Multiple of 18413 and 18422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18413 and 18422, than apply into the LCM equation.

GCF(18413,18422) = 1
LCM(18413,18422) = ( 18413 × 18422) / 1
LCM(18413,18422) = 339204286 / 1
LCM(18413,18422) = 339204286

Least Common Multiple (LCM) of 18413 and 18422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18413 and 18422. First we will calculate the prime factors of 18413 and 18422.

Prime Factorization of 18413

Prime factors of 18413 are 18413. Prime factorization of 18413 in exponential form is:

18413 = 184131

Prime Factorization of 18422

Prime factors of 18422 are 2, 61, 151. Prime factorization of 18422 in exponential form is:

18422 = 21 × 611 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 18413 and 18422.

LCM(18413,18422) = 184131 × 21 × 611 × 1511
LCM(18413,18422) = 339204286