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What is the Least Common Multiple of 39894 and 39903?

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 39894 and 39903 is 530630094.

LCM(39894,39903) = 530630094

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Least Common Multiple of 39894 and 39903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39894 and 39903, than apply into the LCM equation.

GCF(39894,39903) = 3
LCM(39894,39903) = ( 39894 × 39903) / 3
LCM(39894,39903) = 1591890282 / 3
LCM(39894,39903) = 530630094

Least Common Multiple (LCM) of 39894 and 39903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39894 and 39903. First we will calculate the prime factors of 39894 and 39903.

Prime Factorization of 39894

Prime factors of 39894 are 2, 3, 61, 109. Prime factorization of 39894 in exponential form is:

39894 = 21 × 31 × 611 × 1091

Prime Factorization of 39903

Prime factors of 39903 are 3, 47, 283. Prime factorization of 39903 in exponential form is:

39903 = 31 × 471 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 39894 and 39903.

LCM(39894,39903) = 21 × 31 × 611 × 1091 × 471 × 2831
LCM(39894,39903) = 530630094