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What is the Least Common Multiple of 38394 and 38405?

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 38394 and 38405 is 1474521570.

LCM(38394,38405) = 1474521570

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Least Common Multiple of 38394 and 38405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38394 and 38405, than apply into the LCM equation.

GCF(38394,38405) = 1
LCM(38394,38405) = ( 38394 × 38405) / 1
LCM(38394,38405) = 1474521570 / 1
LCM(38394,38405) = 1474521570

Least Common Multiple (LCM) of 38394 and 38405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38394 and 38405. First we will calculate the prime factors of 38394 and 38405.

Prime Factorization of 38394

Prime factors of 38394 are 2, 3, 79. Prime factorization of 38394 in exponential form is:

38394 = 21 × 35 × 791

Prime Factorization of 38405

Prime factors of 38405 are 5, 7681. Prime factorization of 38405 in exponential form is:

38405 = 51 × 76811

Now multiplying the highest exponent prime factors to calculate the LCM of 38394 and 38405.

LCM(38394,38405) = 21 × 35 × 791 × 51 × 76811
LCM(38394,38405) = 1474521570