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What is the Least Common Multiple of 9429 and 9443?

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 9429 and 9443 is 12719721.

LCM(9429,9443) = 12719721

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Least Common Multiple of 9429 and 9443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9429 and 9443, than apply into the LCM equation.

GCF(9429,9443) = 7
LCM(9429,9443) = ( 9429 × 9443) / 7
LCM(9429,9443) = 89038047 / 7
LCM(9429,9443) = 12719721

Least Common Multiple (LCM) of 9429 and 9443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9429 and 9443. First we will calculate the prime factors of 9429 and 9443.

Prime Factorization of 9429

Prime factors of 9429 are 3, 7, 449. Prime factorization of 9429 in exponential form is:

9429 = 31 × 71 × 4491

Prime Factorization of 9443

Prime factors of 9443 are 7, 19, 71. Prime factorization of 9443 in exponential form is:

9443 = 71 × 191 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 9429 and 9443.

LCM(9429,9443) = 31 × 71 × 4491 × 191 × 711
LCM(9429,9443) = 12719721