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What is the Least Common Multiple of 9819 and 9831?

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 9819 and 9831 is 32176863.

LCM(9819,9831) = 32176863

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Least Common Multiple of 9819 and 9831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9819 and 9831, than apply into the LCM equation.

GCF(9819,9831) = 3
LCM(9819,9831) = ( 9819 × 9831) / 3
LCM(9819,9831) = 96530589 / 3
LCM(9819,9831) = 32176863

Least Common Multiple (LCM) of 9819 and 9831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9819 and 9831. First we will calculate the prime factors of 9819 and 9831.

Prime Factorization of 9819

Prime factors of 9819 are 3, 1091. Prime factorization of 9819 in exponential form is:

9819 = 32 × 10911

Prime Factorization of 9831

Prime factors of 9831 are 3, 29, 113. Prime factorization of 9831 in exponential form is:

9831 = 31 × 291 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 9819 and 9831.

LCM(9819,9831) = 32 × 10911 × 291 × 1131
LCM(9819,9831) = 32176863