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What is the Least Common Multiple of 71804 and 71817?

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 71804 and 71817 is 5156747868.

LCM(71804,71817) = 5156747868

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Least Common Multiple of 71804 and 71817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71804 and 71817, than apply into the LCM equation.

GCF(71804,71817) = 1
LCM(71804,71817) = ( 71804 × 71817) / 1
LCM(71804,71817) = 5156747868 / 1
LCM(71804,71817) = 5156747868

Least Common Multiple (LCM) of 71804 and 71817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71804 and 71817. First we will calculate the prime factors of 71804 and 71817.

Prime Factorization of 71804

Prime factors of 71804 are 2, 29, 619. Prime factorization of 71804 in exponential form is:

71804 = 22 × 291 × 6191

Prime Factorization of 71817

Prime factors of 71817 are 3, 37, 647. Prime factorization of 71817 in exponential form is:

71817 = 31 × 371 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 71804 and 71817.

LCM(71804,71817) = 22 × 291 × 6191 × 31 × 371 × 6471
LCM(71804,71817) = 5156747868