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What is the Least Common Multiple of 12814 and 12831?

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 12814 and 12831 is 164416434.

LCM(12814,12831) = 164416434

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Least Common Multiple of 12814 and 12831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12814 and 12831, than apply into the LCM equation.

GCF(12814,12831) = 1
LCM(12814,12831) = ( 12814 × 12831) / 1
LCM(12814,12831) = 164416434 / 1
LCM(12814,12831) = 164416434

Least Common Multiple (LCM) of 12814 and 12831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12814 and 12831. First we will calculate the prime factors of 12814 and 12831.

Prime Factorization of 12814

Prime factors of 12814 are 2, 43, 149. Prime factorization of 12814 in exponential form is:

12814 = 21 × 431 × 1491

Prime Factorization of 12831

Prime factors of 12831 are 3, 7, 13, 47. Prime factorization of 12831 in exponential form is:

12831 = 31 × 71 × 131 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 12814 and 12831.

LCM(12814,12831) = 21 × 431 × 1491 × 31 × 71 × 131 × 471
LCM(12814,12831) = 164416434