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What is the Least Common Multiple of 78431 and 78444?

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 78431 and 78444 is 6152441364.

LCM(78431,78444) = 6152441364

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Least Common Multiple of 78431 and 78444 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78431 and 78444, than apply into the LCM equation.

GCF(78431,78444) = 1
LCM(78431,78444) = ( 78431 × 78444) / 1
LCM(78431,78444) = 6152441364 / 1
LCM(78431,78444) = 6152441364

Least Common Multiple (LCM) of 78431 and 78444 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78431 and 78444. First we will calculate the prime factors of 78431 and 78444.

Prime Factorization of 78431

Prime factors of 78431 are 107, 733. Prime factorization of 78431 in exponential form is:

78431 = 1071 × 7331

Prime Factorization of 78444

Prime factors of 78444 are 2, 3, 2179. Prime factorization of 78444 in exponential form is:

78444 = 22 × 32 × 21791

Now multiplying the highest exponent prime factors to calculate the LCM of 78431 and 78444.

LCM(78431,78444) = 1071 × 7331 × 22 × 32 × 21791
LCM(78431,78444) = 6152441364