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What is the Least Common Multiple of 27805 and 27825?

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 27805 and 27825 is 154734825.

LCM(27805,27825) = 154734825

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Least Common Multiple of 27805 and 27825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27805 and 27825, than apply into the LCM equation.

GCF(27805,27825) = 5
LCM(27805,27825) = ( 27805 × 27825) / 5
LCM(27805,27825) = 773674125 / 5
LCM(27805,27825) = 154734825

Least Common Multiple (LCM) of 27805 and 27825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27805 and 27825. First we will calculate the prime factors of 27805 and 27825.

Prime Factorization of 27805

Prime factors of 27805 are 5, 67, 83. Prime factorization of 27805 in exponential form is:

27805 = 51 × 671 × 831

Prime Factorization of 27825

Prime factors of 27825 are 3, 5, 7, 53. Prime factorization of 27825 in exponential form is:

27825 = 31 × 52 × 71 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 27805 and 27825.

LCM(27805,27825) = 52 × 671 × 831 × 31 × 71 × 531
LCM(27805,27825) = 154734825