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What is the Least Common Multiple of 13178 and 13191?

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 13178 and 13191 is 173830998.

LCM(13178,13191) = 173830998

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Least Common Multiple of 13178 and 13191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13178 and 13191, than apply into the LCM equation.

GCF(13178,13191) = 1
LCM(13178,13191) = ( 13178 × 13191) / 1
LCM(13178,13191) = 173830998 / 1
LCM(13178,13191) = 173830998

Least Common Multiple (LCM) of 13178 and 13191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13178 and 13191. First we will calculate the prime factors of 13178 and 13191.

Prime Factorization of 13178

Prime factors of 13178 are 2, 11, 599. Prime factorization of 13178 in exponential form is:

13178 = 21 × 111 × 5991

Prime Factorization of 13191

Prime factors of 13191 are 3, 4397. Prime factorization of 13191 in exponential form is:

13191 = 31 × 43971

Now multiplying the highest exponent prime factors to calculate the LCM of 13178 and 13191.

LCM(13178,13191) = 21 × 111 × 5991 × 31 × 43971
LCM(13178,13191) = 173830998