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What is the Least Common Multiple of 17887 and 17891?

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 17887 and 17891 is 320016317.

LCM(17887,17891) = 320016317

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Least Common Multiple of 17887 and 17891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17887 and 17891, than apply into the LCM equation.

GCF(17887,17891) = 1
LCM(17887,17891) = ( 17887 × 17891) / 1
LCM(17887,17891) = 320016317 / 1
LCM(17887,17891) = 320016317

Least Common Multiple (LCM) of 17887 and 17891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17887 and 17891. First we will calculate the prime factors of 17887 and 17891.

Prime Factorization of 17887

Prime factors of 17887 are 31, 577. Prime factorization of 17887 in exponential form is:

17887 = 311 × 5771

Prime Factorization of 17891

Prime factors of 17891 are 17891. Prime factorization of 17891 in exponential form is:

17891 = 178911

Now multiplying the highest exponent prime factors to calculate the LCM of 17887 and 17891.

LCM(17887,17891) = 311 × 5771 × 178911
LCM(17887,17891) = 320016317