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What is the Least Common Multiple of 13381 and 13391?

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 13381 and 13391 is 179184971.

LCM(13381,13391) = 179184971

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Least Common Multiple of 13381 and 13391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13381 and 13391, than apply into the LCM equation.

GCF(13381,13391) = 1
LCM(13381,13391) = ( 13381 × 13391) / 1
LCM(13381,13391) = 179184971 / 1
LCM(13381,13391) = 179184971

Least Common Multiple (LCM) of 13381 and 13391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13381 and 13391. First we will calculate the prime factors of 13381 and 13391.

Prime Factorization of 13381

Prime factors of 13381 are 13381. Prime factorization of 13381 in exponential form is:

13381 = 133811

Prime Factorization of 13391

Prime factors of 13391 are 7, 1913. Prime factorization of 13391 in exponential form is:

13391 = 71 × 19131

Now multiplying the highest exponent prime factors to calculate the LCM of 13381 and 13391.

LCM(13381,13391) = 133811 × 71 × 19131
LCM(13381,13391) = 179184971