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What is the Least Common Multiple of 47872 and 47891?

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 47872 and 47891 is 2292637952.

LCM(47872,47891) = 2292637952

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Least Common Multiple of 47872 and 47891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47872 and 47891, than apply into the LCM equation.

GCF(47872,47891) = 1
LCM(47872,47891) = ( 47872 × 47891) / 1
LCM(47872,47891) = 2292637952 / 1
LCM(47872,47891) = 2292637952

Least Common Multiple (LCM) of 47872 and 47891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47872 and 47891. First we will calculate the prime factors of 47872 and 47891.

Prime Factorization of 47872

Prime factors of 47872 are 2, 11, 17. Prime factorization of 47872 in exponential form is:

47872 = 28 × 111 × 171

Prime Factorization of 47891

Prime factors of 47891 are 83, 577. Prime factorization of 47891 in exponential form is:

47891 = 831 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 47872 and 47891.

LCM(47872,47891) = 28 × 111 × 171 × 831 × 5771
LCM(47872,47891) = 2292637952