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What is the Least Common Multiple of 38391 and 38403?

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 38391 and 38403 is 491443191.

LCM(38391,38403) = 491443191

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Least Common Multiple of 38391 and 38403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38391 and 38403, than apply into the LCM equation.

GCF(38391,38403) = 3
LCM(38391,38403) = ( 38391 × 38403) / 3
LCM(38391,38403) = 1474329573 / 3
LCM(38391,38403) = 491443191

Least Common Multiple (LCM) of 38391 and 38403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38391 and 38403. First we will calculate the prime factors of 38391 and 38403.

Prime Factorization of 38391

Prime factors of 38391 are 3, 67, 191. Prime factorization of 38391 in exponential form is:

38391 = 31 × 671 × 1911

Prime Factorization of 38403

Prime factors of 38403 are 3, 17, 251. Prime factorization of 38403 in exponential form is:

38403 = 32 × 171 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 38391 and 38403.

LCM(38391,38403) = 32 × 671 × 1911 × 171 × 2511
LCM(38391,38403) = 491443191