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What is the Least Common Multiple of 30873 and 30885?

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 30873 and 30885 is 317837535.

LCM(30873,30885) = 317837535

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Least Common Multiple of 30873 and 30885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30873 and 30885, than apply into the LCM equation.

GCF(30873,30885) = 3
LCM(30873,30885) = ( 30873 × 30885) / 3
LCM(30873,30885) = 953512605 / 3
LCM(30873,30885) = 317837535

Least Common Multiple (LCM) of 30873 and 30885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30873 and 30885. First we will calculate the prime factors of 30873 and 30885.

Prime Factorization of 30873

Prime factors of 30873 are 3, 41, 251. Prime factorization of 30873 in exponential form is:

30873 = 31 × 411 × 2511

Prime Factorization of 30885

Prime factors of 30885 are 3, 5, 29, 71. Prime factorization of 30885 in exponential form is:

30885 = 31 × 51 × 291 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 30873 and 30885.

LCM(30873,30885) = 31 × 411 × 2511 × 51 × 291 × 711
LCM(30873,30885) = 317837535