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What is the Least Common Multiple of 10115 and 10129?

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 10115 and 10129 is 14636405.

LCM(10115,10129) = 14636405

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Least Common Multiple of 10115 and 10129 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10115 and 10129, than apply into the LCM equation.

GCF(10115,10129) = 7
LCM(10115,10129) = ( 10115 × 10129) / 7
LCM(10115,10129) = 102454835 / 7
LCM(10115,10129) = 14636405

Least Common Multiple (LCM) of 10115 and 10129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10115 and 10129. First we will calculate the prime factors of 10115 and 10129.

Prime Factorization of 10115

Prime factors of 10115 are 5, 7, 17. Prime factorization of 10115 in exponential form is:

10115 = 51 × 71 × 172

Prime Factorization of 10129

Prime factors of 10129 are 7, 1447. Prime factorization of 10129 in exponential form is:

10129 = 71 × 14471

Now multiplying the highest exponent prime factors to calculate the LCM of 10115 and 10129.

LCM(10115,10129) = 51 × 71 × 172 × 14471
LCM(10115,10129) = 14636405