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What is the Least Common Multiple of 759 and 768?

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 759 and 768 is 194304.

LCM(759,768) = 194304

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Least Common Multiple of 759 and 768 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 759 and 768, than apply into the LCM equation.

GCF(759,768) = 3
LCM(759,768) = ( 759 × 768) / 3
LCM(759,768) = 582912 / 3
LCM(759,768) = 194304

Least Common Multiple (LCM) of 759 and 768 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 759 and 768. First we will calculate the prime factors of 759 and 768.

Prime Factorization of 759

Prime factors of 759 are 3, 11, 23. Prime factorization of 759 in exponential form is:

759 = 31 × 111 × 231

Prime Factorization of 768

Prime factors of 768 are 2, 3. Prime factorization of 768 in exponential form is:

768 = 28 × 31

Now multiplying the highest exponent prime factors to calculate the LCM of 759 and 768.

LCM(759,768) = 31 × 111 × 231 × 28
LCM(759,768) = 194304