What is the Least Common Multiple of 11855 and 11871?
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 11855 and 11871 is 140730705.
LCM(11855,11871) = 140730705
Least Common Multiple of 11855 and 11871 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11855 and 11871, than apply into the LCM equation.
GCF(11855,11871) = 1
LCM(11855,11871) = ( 11855 × 11871) / 1
LCM(11855,11871) = 140730705 / 1
LCM(11855,11871) = 140730705
Least Common Multiple (LCM) of 11855 and 11871 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11855 and 11871. First we will calculate the prime factors of 11855 and 11871.
Prime Factorization of 11855
Prime factors of 11855 are 5, 2371. Prime factorization of 11855 in exponential form is:
11855 = 51 × 23711
Prime Factorization of 11871
Prime factors of 11871 are 3, 1319. Prime factorization of 11871 in exponential form is:
11871 = 32 × 13191
Now multiplying the highest exponent prime factors to calculate the LCM of 11855 and 11871.
LCM(11855,11871) = 51 × 23711 × 32 × 13191
LCM(11855,11871) = 140730705
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