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What is the Least Common Multiple of 11904 and 11917?

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 11904 and 11917 is 141859968.

LCM(11904,11917) = 141859968

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Least Common Multiple of 11904 and 11917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11904 and 11917, than apply into the LCM equation.

GCF(11904,11917) = 1
LCM(11904,11917) = ( 11904 × 11917) / 1
LCM(11904,11917) = 141859968 / 1
LCM(11904,11917) = 141859968

Least Common Multiple (LCM) of 11904 and 11917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11904 and 11917. First we will calculate the prime factors of 11904 and 11917.

Prime Factorization of 11904

Prime factors of 11904 are 2, 3, 31. Prime factorization of 11904 in exponential form is:

11904 = 27 × 31 × 311

Prime Factorization of 11917

Prime factors of 11917 are 17, 701. Prime factorization of 11917 in exponential form is:

11917 = 171 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 11904 and 11917.

LCM(11904,11917) = 27 × 31 × 311 × 171 × 7011
LCM(11904,11917) = 141859968