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What is the Least Common Multiple of 17682 and 17691?

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 17682 and 17691 is 104270754.

LCM(17682,17691) = 104270754

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Least Common Multiple of 17682 and 17691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17682 and 17691, than apply into the LCM equation.

GCF(17682,17691) = 3
LCM(17682,17691) = ( 17682 × 17691) / 3
LCM(17682,17691) = 312812262 / 3
LCM(17682,17691) = 104270754

Least Common Multiple (LCM) of 17682 and 17691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17682 and 17691. First we will calculate the prime factors of 17682 and 17691.

Prime Factorization of 17682

Prime factors of 17682 are 2, 3, 7, 421. Prime factorization of 17682 in exponential form is:

17682 = 21 × 31 × 71 × 4211

Prime Factorization of 17691

Prime factors of 17691 are 3, 5897. Prime factorization of 17691 in exponential form is:

17691 = 31 × 58971

Now multiplying the highest exponent prime factors to calculate the LCM of 17682 and 17691.

LCM(17682,17691) = 21 × 31 × 71 × 4211 × 58971
LCM(17682,17691) = 104270754