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What is the Least Common Multiple of 85694 and 85709?

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 85694 and 85709 is 7344747046.

LCM(85694,85709) = 7344747046

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Least Common Multiple of 85694 and 85709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85694 and 85709, than apply into the LCM equation.

GCF(85694,85709) = 1
LCM(85694,85709) = ( 85694 × 85709) / 1
LCM(85694,85709) = 7344747046 / 1
LCM(85694,85709) = 7344747046

Least Common Multiple (LCM) of 85694 and 85709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85694 and 85709. First we will calculate the prime factors of 85694 and 85709.

Prime Factorization of 85694

Prime factors of 85694 are 2, 7, 6121. Prime factorization of 85694 in exponential form is:

85694 = 21 × 71 × 61211

Prime Factorization of 85709

Prime factors of 85709 are 13, 19, 347. Prime factorization of 85709 in exponential form is:

85709 = 131 × 191 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 85694 and 85709.

LCM(85694,85709) = 21 × 71 × 61211 × 131 × 191 × 3471
LCM(85694,85709) = 7344747046