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What is the Least Common Multiple of 82784 and 82789?

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 82784 and 82789 is 6853604576.

LCM(82784,82789) = 6853604576

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Least Common Multiple of 82784 and 82789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82784 and 82789, than apply into the LCM equation.

GCF(82784,82789) = 1
LCM(82784,82789) = ( 82784 × 82789) / 1
LCM(82784,82789) = 6853604576 / 1
LCM(82784,82789) = 6853604576

Least Common Multiple (LCM) of 82784 and 82789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82784 and 82789. First we will calculate the prime factors of 82784 and 82789.

Prime Factorization of 82784

Prime factors of 82784 are 2, 13, 199. Prime factorization of 82784 in exponential form is:

82784 = 25 × 131 × 1991

Prime Factorization of 82789

Prime factors of 82789 are 7, 11827. Prime factorization of 82789 in exponential form is:

82789 = 71 × 118271

Now multiplying the highest exponent prime factors to calculate the LCM of 82784 and 82789.

LCM(82784,82789) = 25 × 131 × 1991 × 71 × 118271
LCM(82784,82789) = 6853604576