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What is the Least Common Multiple of 39866 and 39881?

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 39866 and 39881 is 1589895946.

LCM(39866,39881) = 1589895946

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Least Common Multiple of 39866 and 39881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39866 and 39881, than apply into the LCM equation.

GCF(39866,39881) = 1
LCM(39866,39881) = ( 39866 × 39881) / 1
LCM(39866,39881) = 1589895946 / 1
LCM(39866,39881) = 1589895946

Least Common Multiple (LCM) of 39866 and 39881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39866 and 39881. First we will calculate the prime factors of 39866 and 39881.

Prime Factorization of 39866

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

39866 = 21 × 311 × 6431

Prime Factorization of 39881

Prime factors of 39881 are 19, 2099. Prime factorization of 39881 in exponential form is:

39881 = 191 × 20991

Now multiplying the highest exponent prime factors to calculate the LCM of 39866 and 39881.

LCM(39866,39881) = 21 × 311 × 6431 × 191 × 20991
LCM(39866,39881) = 1589895946