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What is the Least Common Multiple of 18394 and 18403?

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 18394 and 18403 is 338504782.

LCM(18394,18403) = 338504782

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Least Common Multiple of 18394 and 18403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18394 and 18403, than apply into the LCM equation.

GCF(18394,18403) = 1
LCM(18394,18403) = ( 18394 × 18403) / 1
LCM(18394,18403) = 338504782 / 1
LCM(18394,18403) = 338504782

Least Common Multiple (LCM) of 18394 and 18403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18394 and 18403. First we will calculate the prime factors of 18394 and 18403.

Prime Factorization of 18394

Prime factors of 18394 are 2, 17, 541. Prime factorization of 18394 in exponential form is:

18394 = 21 × 171 × 5411

Prime Factorization of 18403

Prime factors of 18403 are 7, 11, 239. Prime factorization of 18403 in exponential form is:

18403 = 71 × 111 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 18394 and 18403.

LCM(18394,18403) = 21 × 171 × 5411 × 71 × 111 × 2391
LCM(18394,18403) = 338504782