What is the Least Common Multiple of 11904 and 11915?
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 11915 is 141836160.
LCM(11904,11915) = 141836160
Least Common Multiple of 11904 and 11915 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 11915, than apply into the LCM equation.
GCF(11904,11915) = 1
LCM(11904,11915) = ( 11904 × 11915) / 1
LCM(11904,11915) = 141836160 / 1
LCM(11904,11915) = 141836160
Least Common Multiple (LCM) of 11904 and 11915 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11904 and 11915. First we will calculate the prime factors of 11904 and 11915.
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 11915
Prime factors of 11915 are 5, 2383. Prime factorization of 11915 in exponential form is:
11915 = 51 × 23831
Now multiplying the highest exponent prime factors to calculate the LCM of 11904 and 11915.
LCM(11904,11915) = 27 × 31 × 311 × 51 × 23831
LCM(11904,11915) = 141836160
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