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What is the Least Common Multiple of 11879 and 11886?

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 11879 and 11886 is 20170542.

LCM(11879,11886) = 20170542

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Least Common Multiple of 11879 and 11886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11879 and 11886, than apply into the LCM equation.

GCF(11879,11886) = 7
LCM(11879,11886) = ( 11879 × 11886) / 7
LCM(11879,11886) = 141193794 / 7
LCM(11879,11886) = 20170542

Least Common Multiple (LCM) of 11879 and 11886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11879 and 11886. First we will calculate the prime factors of 11879 and 11886.

Prime Factorization of 11879

Prime factors of 11879 are 7, 1697. Prime factorization of 11879 in exponential form is:

11879 = 71 × 16971

Prime Factorization of 11886

Prime factors of 11886 are 2, 3, 7, 283. Prime factorization of 11886 in exponential form is:

11886 = 21 × 31 × 71 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 11879 and 11886.

LCM(11879,11886) = 71 × 16971 × 21 × 31 × 2831
LCM(11879,11886) = 20170542