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What is the Least Common Multiple of 84405 and 84412?

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 84405 and 84412 is 7124794860.

LCM(84405,84412) = 7124794860

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Least Common Multiple of 84405 and 84412 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84405 and 84412, than apply into the LCM equation.

GCF(84405,84412) = 1
LCM(84405,84412) = ( 84405 × 84412) / 1
LCM(84405,84412) = 7124794860 / 1
LCM(84405,84412) = 7124794860

Least Common Multiple (LCM) of 84405 and 84412 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84405 and 84412. First we will calculate the prime factors of 84405 and 84412.

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

Prime Factorization of 84412

Prime factors of 84412 are 2, 47, 449. Prime factorization of 84412 in exponential form is:

84412 = 22 × 471 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 84405 and 84412.

LCM(84405,84412) = 31 × 51 × 171 × 3311 × 22 × 471 × 4491
LCM(84405,84412) = 7124794860