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What is the Least Common Multiple of 15865 and 15882?

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 15865 and 15882 is 251967930.

LCM(15865,15882) = 251967930

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Least Common Multiple of 15865 and 15882 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15865 and 15882, than apply into the LCM equation.

GCF(15865,15882) = 1
LCM(15865,15882) = ( 15865 × 15882) / 1
LCM(15865,15882) = 251967930 / 1
LCM(15865,15882) = 251967930

Least Common Multiple (LCM) of 15865 and 15882 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15865 and 15882. First we will calculate the prime factors of 15865 and 15882.

Prime Factorization of 15865

Prime factors of 15865 are 5, 19, 167. Prime factorization of 15865 in exponential form is:

15865 = 51 × 191 × 1671

Prime Factorization of 15882

Prime factors of 15882 are 2, 3, 2647. Prime factorization of 15882 in exponential form is:

15882 = 21 × 31 × 26471

Now multiplying the highest exponent prime factors to calculate the LCM of 15865 and 15882.

LCM(15865,15882) = 51 × 191 × 1671 × 21 × 31 × 26471
LCM(15865,15882) = 251967930