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Least Common Multiple of 768 and 786

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 768 and 786 is 100608.

LCM(768,786) = 100608

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Least Common Multiple of 768 and 786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 768 and 786, than apply into the LCM equation.

GCF(768,786) = 6
LCM(768,786) = ( 768 × 786) / 6
LCM(768,786) = 603648 / 6
LCM(768,786) = 100608

Least Common Multiple (LCM) of 768 and 786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 768 and 786. First we will calculate the prime factors of 768 and 786.

Prime Factorization of 768

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

768 = 28 × 31

Prime Factorization of 786

Prime factors of 786 are 2, 3, 131. Prime factorization of 786 in exponential form is:

786 = 21 × 31 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 768 and 786.

LCM(768,786) = 28 × 31 × 1311
LCM(768,786) = 100608

Recent Comments
Ansh Dubey 2020-08-21 01:09:24

Please explain what is the lcm of 7,8,6

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