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What is the Least Common Multiple of 13412 and 13431?

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 13412 and 13431 is 180136572.

LCM(13412,13431) = 180136572

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Least Common Multiple of 13412 and 13431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13412 and 13431, than apply into the LCM equation.

GCF(13412,13431) = 1
LCM(13412,13431) = ( 13412 × 13431) / 1
LCM(13412,13431) = 180136572 / 1
LCM(13412,13431) = 180136572

Least Common Multiple (LCM) of 13412 and 13431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13412 and 13431. First we will calculate the prime factors of 13412 and 13431.

Prime Factorization of 13412

Prime factors of 13412 are 2, 7, 479. Prime factorization of 13412 in exponential form is:

13412 = 22 × 71 × 4791

Prime Factorization of 13431

Prime factors of 13431 are 3, 11, 37. Prime factorization of 13431 in exponential form is:

13431 = 31 × 112 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 13412 and 13431.

LCM(13412,13431) = 22 × 71 × 4791 × 31 × 112 × 371
LCM(13412,13431) = 180136572