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What is the Least Common Multiple of 30786 and 30804?

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 30786 and 30804 is 158055324.

LCM(30786,30804) = 158055324

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Least Common Multiple of 30786 and 30804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30786 and 30804, than apply into the LCM equation.

GCF(30786,30804) = 6
LCM(30786,30804) = ( 30786 × 30804) / 6
LCM(30786,30804) = 948331944 / 6
LCM(30786,30804) = 158055324

Least Common Multiple (LCM) of 30786 and 30804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30786 and 30804. First we will calculate the prime factors of 30786 and 30804.

Prime Factorization of 30786

Prime factors of 30786 are 2, 3, 7, 733. Prime factorization of 30786 in exponential form is:

30786 = 21 × 31 × 71 × 7331

Prime Factorization of 30804

Prime factors of 30804 are 2, 3, 17, 151. Prime factorization of 30804 in exponential form is:

30804 = 22 × 31 × 171 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 30786 and 30804.

LCM(30786,30804) = 22 × 31 × 71 × 7331 × 171 × 1511
LCM(30786,30804) = 158055324