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What is the Least Common Multiple of 76788 and 76798?

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 76788 and 76798 is 2948582412.

LCM(76788,76798) = 2948582412

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Least Common Multiple of 76788 and 76798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76788 and 76798, than apply into the LCM equation.

GCF(76788,76798) = 2
LCM(76788,76798) = ( 76788 × 76798) / 2
LCM(76788,76798) = 5897164824 / 2
LCM(76788,76798) = 2948582412

Least Common Multiple (LCM) of 76788 and 76798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76788 and 76798. First we will calculate the prime factors of 76788 and 76798.

Prime Factorization of 76788

Prime factors of 76788 are 2, 3, 79. Prime factorization of 76788 in exponential form is:

76788 = 22 × 35 × 791

Prime Factorization of 76798

Prime factors of 76798 are 2, 19, 43, 47. Prime factorization of 76798 in exponential form is:

76798 = 21 × 191 × 431 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 76788 and 76798.

LCM(76788,76798) = 22 × 35 × 791 × 191 × 431 × 471
LCM(76788,76798) = 2948582412