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What is the Least Common Multiple of 12929 and 12943?

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 12929 and 12943 is 23905721.

LCM(12929,12943) = 23905721

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Least Common Multiple of 12929 and 12943 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12929 and 12943, than apply into the LCM equation.

GCF(12929,12943) = 7
LCM(12929,12943) = ( 12929 × 12943) / 7
LCM(12929,12943) = 167340047 / 7
LCM(12929,12943) = 23905721

Least Common Multiple (LCM) of 12929 and 12943 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12929 and 12943. First we will calculate the prime factors of 12929 and 12943.

Prime Factorization of 12929

Prime factors of 12929 are 7, 1847. Prime factorization of 12929 in exponential form is:

12929 = 71 × 18471

Prime Factorization of 12943

Prime factors of 12943 are 7, 43. Prime factorization of 12943 in exponential form is:

12943 = 71 × 432

Now multiplying the highest exponent prime factors to calculate the LCM of 12929 and 12943.

LCM(12929,12943) = 71 × 18471 × 432
LCM(12929,12943) = 23905721