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What is the Least Common Multiple of 76800 and 76817?

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 76800 and 76817 is 5899545600.

LCM(76800,76817) = 5899545600

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Least Common Multiple of 76800 and 76817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76800 and 76817, than apply into the LCM equation.

GCF(76800,76817) = 1
LCM(76800,76817) = ( 76800 × 76817) / 1
LCM(76800,76817) = 5899545600 / 1
LCM(76800,76817) = 5899545600

Least Common Multiple (LCM) of 76800 and 76817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76800 and 76817. First we will calculate the prime factors of 76800 and 76817.

Prime Factorization of 76800

Prime factors of 76800 are 2, 3, 5. Prime factorization of 76800 in exponential form is:

76800 = 210 × 31 × 52

Prime Factorization of 76817

Prime factors of 76817 are 13, 19, 311. Prime factorization of 76817 in exponential form is:

76817 = 131 × 191 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 76800 and 76817.

LCM(76800,76817) = 210 × 31 × 52 × 131 × 191 × 3111
LCM(76800,76817) = 5899545600