What is the Least Common Multiple of 76872 and 76887?
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 76872 and 76887 is 1970152488.
LCM(76872,76887) = 1970152488
Least Common Multiple of 76872 and 76887 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76872 and 76887, than apply into the LCM equation.
GCF(76872,76887) = 3
LCM(76872,76887) = ( 76872 × 76887) / 3
LCM(76872,76887) = 5910457464 / 3
LCM(76872,76887) = 1970152488
Least Common Multiple (LCM) of 76872 and 76887 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 76872 and 76887. First we will calculate the prime factors of 76872 and 76887.
Prime Factorization of 76872
Prime factors of 76872 are 2, 3, 3203. Prime factorization of 76872 in exponential form is:
76872 = 23 × 31 × 32031
Prime Factorization of 76887
Prime factors of 76887 are 3, 8543. Prime factorization of 76887 in exponential form is:
76887 = 32 × 85431
Now multiplying the highest exponent prime factors to calculate the LCM of 76872 and 76887.
LCM(76872,76887) = 23 × 32 × 32031 × 85431
LCM(76872,76887) = 1970152488
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