What is the Least Common Multiple of 76863 and 76878?
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 76863 and 76878 is 1969691238.
LCM(76863,76878) = 1969691238
Least Common Multiple of 76863 and 76878 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76863 and 76878, than apply into the LCM equation.
GCF(76863,76878) = 3
LCM(76863,76878) = ( 76863 × 76878) / 3
LCM(76863,76878) = 5909073714 / 3
LCM(76863,76878) = 1969691238
Least Common Multiple (LCM) of 76863 and 76878 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 76863 and 76878. First we will calculate the prime factors of 76863 and 76878.
Prime Factorization of 76863
Prime factors of 76863 are 3, 25621. Prime factorization of 76863 in exponential form is:
76863 = 31 × 256211
Prime Factorization of 76878
Prime factors of 76878 are 2, 3, 4271. Prime factorization of 76878 in exponential form is:
76878 = 21 × 32 × 42711
Now multiplying the highest exponent prime factors to calculate the LCM of 76863 and 76878.
LCM(76863,76878) = 32 × 256211 × 21 × 42711
LCM(76863,76878) = 1969691238
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