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What is the Least Common Multiple of 39859 and 39866?

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 39859 and 39866 is 1589018894.

LCM(39859,39866) = 1589018894

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Least Common Multiple of 39859 and 39866 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39859 and 39866, than apply into the LCM equation.

GCF(39859,39866) = 1
LCM(39859,39866) = ( 39859 × 39866) / 1
LCM(39859,39866) = 1589018894 / 1
LCM(39859,39866) = 1589018894

Least Common Multiple (LCM) of 39859 and 39866 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39859 and 39866. First we will calculate the prime factors of 39859 and 39866.

Prime Factorization of 39859

Prime factors of 39859 are 23, 1733. Prime factorization of 39859 in exponential form is:

39859 = 231 × 17331

Prime Factorization of 39866

Prime factors of 39866 are 2, 31, 643. Prime factorization of 39866 in exponential form is:

39866 = 21 × 311 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 39859 and 39866.

LCM(39859,39866) = 231 × 17331 × 21 × 311 × 6431
LCM(39859,39866) = 1589018894