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What is the Least Common Multiple of 15887 and 15891?

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 15887 and 15891 is 252460317.

LCM(15887,15891) = 252460317

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Least Common Multiple of 15887 and 15891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15887 and 15891, than apply into the LCM equation.

GCF(15887,15891) = 1
LCM(15887,15891) = ( 15887 × 15891) / 1
LCM(15887,15891) = 252460317 / 1
LCM(15887,15891) = 252460317

Least Common Multiple (LCM) of 15887 and 15891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15887 and 15891. First we will calculate the prime factors of 15887 and 15891.

Prime Factorization of 15887

Prime factors of 15887 are 15887. Prime factorization of 15887 in exponential form is:

15887 = 158871

Prime Factorization of 15891

Prime factors of 15891 are 3, 5297. Prime factorization of 15891 in exponential form is:

15891 = 31 × 52971

Now multiplying the highest exponent prime factors to calculate the LCM of 15887 and 15891.

LCM(15887,15891) = 158871 × 31 × 52971
LCM(15887,15891) = 252460317