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What is the Least Common Multiple of 30663 and 30681?

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 30663 and 30681 is 104530167.

LCM(30663,30681) = 104530167

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Least Common Multiple of 30663 and 30681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30663 and 30681, than apply into the LCM equation.

GCF(30663,30681) = 9
LCM(30663,30681) = ( 30663 × 30681) / 9
LCM(30663,30681) = 940771503 / 9
LCM(30663,30681) = 104530167

Least Common Multiple (LCM) of 30663 and 30681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30663 and 30681. First we will calculate the prime factors of 30663 and 30681.

Prime Factorization of 30663

Prime factors of 30663 are 3, 3407. Prime factorization of 30663 in exponential form is:

30663 = 32 × 34071

Prime Factorization of 30681

Prime factors of 30681 are 3, 7, 487. Prime factorization of 30681 in exponential form is:

30681 = 32 × 71 × 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 30663 and 30681.

LCM(30663,30681) = 32 × 34071 × 71 × 4871
LCM(30663,30681) = 104530167