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What is the Least Common Multiple of 27689 and 27705?

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 27689 and 27705 is 767123745.

LCM(27689,27705) = 767123745

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Least Common Multiple of 27689 and 27705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27689 and 27705, than apply into the LCM equation.

GCF(27689,27705) = 1
LCM(27689,27705) = ( 27689 × 27705) / 1
LCM(27689,27705) = 767123745 / 1
LCM(27689,27705) = 767123745

Least Common Multiple (LCM) of 27689 and 27705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27689 and 27705. First we will calculate the prime factors of 27689 and 27705.

Prime Factorization of 27689

Prime factors of 27689 are 27689. Prime factorization of 27689 in exponential form is:

27689 = 276891

Prime Factorization of 27705

Prime factors of 27705 are 3, 5, 1847. Prime factorization of 27705 in exponential form is:

27705 = 31 × 51 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 27689 and 27705.

LCM(27689,27705) = 276891 × 31 × 51 × 18471
LCM(27689,27705) = 767123745