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What is the Least Common Multiple of 5686 and 5704?

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 5686 and 5704 is 16216472.

LCM(5686,5704) = 16216472

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Least Common Multiple of 5686 and 5704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5686 and 5704, than apply into the LCM equation.

GCF(5686,5704) = 2
LCM(5686,5704) = ( 5686 × 5704) / 2
LCM(5686,5704) = 32432944 / 2
LCM(5686,5704) = 16216472

Least Common Multiple (LCM) of 5686 and 5704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5686 and 5704. First we will calculate the prime factors of 5686 and 5704.

Prime Factorization of 5686

Prime factors of 5686 are 2, 2843. Prime factorization of 5686 in exponential form is:

5686 = 21 × 28431

Prime Factorization of 5704

Prime factors of 5704 are 2, 23, 31. Prime factorization of 5704 in exponential form is:

5704 = 23 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 5686 and 5704.

LCM(5686,5704) = 23 × 28431 × 231 × 311
LCM(5686,5704) = 16216472