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What is the Least Common Multiple of 84399 and 84405?

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 84399 and 84405 is 2374565865.

LCM(84399,84405) = 2374565865

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Least Common Multiple of 84399 and 84405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84399 and 84405, than apply into the LCM equation.

GCF(84399,84405) = 3
LCM(84399,84405) = ( 84399 × 84405) / 3
LCM(84399,84405) = 7123697595 / 3
LCM(84399,84405) = 2374565865

Least Common Multiple (LCM) of 84399 and 84405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84399 and 84405. First we will calculate the prime factors of 84399 and 84405.

Prime Factorization of 84399

Prime factors of 84399 are 3, 7, 4019. Prime factorization of 84399 in exponential form is:

84399 = 31 × 71 × 40191

Prime Factorization of 84405

Prime factors of 84405 are 3, 5, 17, 331. Prime factorization of 84405 in exponential form is:

84405 = 31 × 51 × 171 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 84399 and 84405.

LCM(84399,84405) = 31 × 71 × 40191 × 51 × 171 × 3311
LCM(84399,84405) = 2374565865