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What is the Least Common Multiple of 27905 and 27923?

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 27905 and 27923 is 779191315.

LCM(27905,27923) = 779191315

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Least Common Multiple of 27905 and 27923 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27905 and 27923, than apply into the LCM equation.

GCF(27905,27923) = 1
LCM(27905,27923) = ( 27905 × 27923) / 1
LCM(27905,27923) = 779191315 / 1
LCM(27905,27923) = 779191315

Least Common Multiple (LCM) of 27905 and 27923 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27905 and 27923. First we will calculate the prime factors of 27905 and 27923.

Prime Factorization of 27905

Prime factors of 27905 are 5, 5581. Prime factorization of 27905 in exponential form is:

27905 = 51 × 55811

Prime Factorization of 27923

Prime factors of 27923 are 7, 3989. Prime factorization of 27923 in exponential form is:

27923 = 71 × 39891

Now multiplying the highest exponent prime factors to calculate the LCM of 27905 and 27923.

LCM(27905,27923) = 51 × 55811 × 71 × 39891
LCM(27905,27923) = 779191315