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What is the Least Common Multiple of 82678 and 82691?

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 82678 and 82691 is 6836726498.

LCM(82678,82691) = 6836726498

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Least Common Multiple of 82678 and 82691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82678 and 82691, than apply into the LCM equation.

GCF(82678,82691) = 1
LCM(82678,82691) = ( 82678 × 82691) / 1
LCM(82678,82691) = 6836726498 / 1
LCM(82678,82691) = 6836726498

Least Common Multiple (LCM) of 82678 and 82691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82678 and 82691. First we will calculate the prime factors of 82678 and 82691.

Prime Factorization of 82678

Prime factors of 82678 are 2, 67, 617. Prime factorization of 82678 in exponential form is:

82678 = 21 × 671 × 6171

Prime Factorization of 82691

Prime factors of 82691 are 7, 11813. Prime factorization of 82691 in exponential form is:

82691 = 71 × 118131

Now multiplying the highest exponent prime factors to calculate the LCM of 82678 and 82691.

LCM(82678,82691) = 21 × 671 × 6171 × 71 × 118131
LCM(82678,82691) = 6836726498