What is the Least Common Multiple of 11865 and 11885?
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 11865 and 11885 is 28203105.
LCM(11865,11885) = 28203105
Least Common Multiple of 11865 and 11885 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11865 and 11885, than apply into the LCM equation.
GCF(11865,11885) = 5
LCM(11865,11885) = ( 11865 × 11885) / 5
LCM(11865,11885) = 141015525 / 5
LCM(11865,11885) = 28203105
Least Common Multiple (LCM) of 11865 and 11885 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11865 and 11885. First we will calculate the prime factors of 11865 and 11885.
Prime Factorization of 11865
Prime factors of 11865 are 3, 5, 7, 113. Prime factorization of 11865 in exponential form is:
11865 = 31 × 51 × 71 × 1131
Prime Factorization of 11885
Prime factors of 11885 are 5, 2377. Prime factorization of 11885 in exponential form is:
11885 = 51 × 23771
Now multiplying the highest exponent prime factors to calculate the LCM of 11865 and 11885.
LCM(11865,11885) = 31 × 51 × 71 × 1131 × 23771
LCM(11865,11885) = 28203105
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