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What is the Least Common Multiple of 40047 and 40055?

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 40047 and 40055 is 1604082585.

LCM(40047,40055) = 1604082585

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Least Common Multiple of 40047 and 40055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40047 and 40055, than apply into the LCM equation.

GCF(40047,40055) = 1
LCM(40047,40055) = ( 40047 × 40055) / 1
LCM(40047,40055) = 1604082585 / 1
LCM(40047,40055) = 1604082585

Least Common Multiple (LCM) of 40047 and 40055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40047 and 40055. First we will calculate the prime factors of 40047 and 40055.

Prime Factorization of 40047

Prime factors of 40047 are 3, 7, 1907. Prime factorization of 40047 in exponential form is:

40047 = 31 × 71 × 19071

Prime Factorization of 40055

Prime factors of 40055 are 5, 8011. Prime factorization of 40055 in exponential form is:

40055 = 51 × 80111

Now multiplying the highest exponent prime factors to calculate the LCM of 40047 and 40055.

LCM(40047,40055) = 31 × 71 × 19071 × 51 × 80111
LCM(40047,40055) = 1604082585