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What is the Least Common Multiple of 30744 and 30751?

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 30744 and 30751 is 135058392.

LCM(30744,30751) = 135058392

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Least Common Multiple of 30744 and 30751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30744 and 30751, than apply into the LCM equation.

GCF(30744,30751) = 7
LCM(30744,30751) = ( 30744 × 30751) / 7
LCM(30744,30751) = 945408744 / 7
LCM(30744,30751) = 135058392

Least Common Multiple (LCM) of 30744 and 30751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30744 and 30751. First we will calculate the prime factors of 30744 and 30751.

Prime Factorization of 30744

Prime factors of 30744 are 2, 3, 7, 61. Prime factorization of 30744 in exponential form is:

30744 = 23 × 32 × 71 × 611

Prime Factorization of 30751

Prime factors of 30751 are 7, 23, 191. Prime factorization of 30751 in exponential form is:

30751 = 71 × 231 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 30744 and 30751.

LCM(30744,30751) = 23 × 32 × 71 × 611 × 231 × 1911
LCM(30744,30751) = 135058392