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What is the Least Common Multiple of 47687 and 47705?

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 47687 and 47705 is 2274908335.

LCM(47687,47705) = 2274908335

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Least Common Multiple of 47687 and 47705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47687 and 47705, than apply into the LCM equation.

GCF(47687,47705) = 1
LCM(47687,47705) = ( 47687 × 47705) / 1
LCM(47687,47705) = 2274908335 / 1
LCM(47687,47705) = 2274908335

Least Common Multiple (LCM) of 47687 and 47705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47687 and 47705. First we will calculate the prime factors of 47687 and 47705.

Prime Factorization of 47687

Prime factors of 47687 are 43, 1109. Prime factorization of 47687 in exponential form is:

47687 = 431 × 11091

Prime Factorization of 47705

Prime factors of 47705 are 5, 7, 29, 47. Prime factorization of 47705 in exponential form is:

47705 = 51 × 71 × 291 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 47687 and 47705.

LCM(47687,47705) = 431 × 11091 × 51 × 71 × 291 × 471
LCM(47687,47705) = 2274908335