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What is the Least Common Multiple of 27040 and 27055?

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 27040 and 27055 is 146313440.

LCM(27040,27055) = 146313440

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Least Common Multiple of 27040 and 27055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27040 and 27055, than apply into the LCM equation.

GCF(27040,27055) = 5
LCM(27040,27055) = ( 27040 × 27055) / 5
LCM(27040,27055) = 731567200 / 5
LCM(27040,27055) = 146313440

Least Common Multiple (LCM) of 27040 and 27055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27040 and 27055. First we will calculate the prime factors of 27040 and 27055.

Prime Factorization of 27040

Prime factors of 27040 are 2, 5, 13. Prime factorization of 27040 in exponential form is:

27040 = 25 × 51 × 132

Prime Factorization of 27055

Prime factors of 27055 are 5, 7, 773. Prime factorization of 27055 in exponential form is:

27055 = 51 × 71 × 7731

Now multiplying the highest exponent prime factors to calculate the LCM of 27040 and 27055.

LCM(27040,27055) = 25 × 51 × 132 × 71 × 7731
LCM(27040,27055) = 146313440