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What is the Least Common Multiple of 6388 and 6397?

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 6388 and 6397 is 40864036.

LCM(6388,6397) = 40864036

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Least Common Multiple of 6388 and 6397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6388 and 6397, than apply into the LCM equation.

GCF(6388,6397) = 1
LCM(6388,6397) = ( 6388 × 6397) / 1
LCM(6388,6397) = 40864036 / 1
LCM(6388,6397) = 40864036

Least Common Multiple (LCM) of 6388 and 6397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6388 and 6397. First we will calculate the prime factors of 6388 and 6397.

Prime Factorization of 6388

Prime factors of 6388 are 2, 1597. Prime factorization of 6388 in exponential form is:

6388 = 22 × 15971

Prime Factorization of 6397

Prime factors of 6397 are 6397. Prime factorization of 6397 in exponential form is:

6397 = 63971

Now multiplying the highest exponent prime factors to calculate the LCM of 6388 and 6397.

LCM(6388,6397) = 22 × 15971 × 63971
LCM(6388,6397) = 40864036