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What is the Least Common Multiple of 13178 and 13198?

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 13198 is 86961622.

LCM(13178,13198) = 86961622

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Least Common Multiple of 13178 and 13198 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 13198, than apply into the LCM equation.

GCF(13178,13198) = 2
LCM(13178,13198) = ( 13178 × 13198) / 2
LCM(13178,13198) = 173923244 / 2
LCM(13178,13198) = 86961622

Least Common Multiple (LCM) of 13178 and 13198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13178 and 13198. First we will calculate the prime factors of 13178 and 13198.

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 13198

Prime factors of 13198 are 2, 6599. Prime factorization of 13198 in exponential form is:

13198 = 21 × 65991

Now multiplying the highest exponent prime factors to calculate the LCM of 13178 and 13198.

LCM(13178,13198) = 21 × 111 × 5991 × 65991
LCM(13178,13198) = 86961622