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What is the Least Common Multiple of 6387 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 6387 and 6397 is 40857639.

LCM(6387,6397) = 40857639

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Least Common Multiple of 6387 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 6387 and 6397, than apply into the LCM equation.

GCF(6387,6397) = 1
LCM(6387,6397) = ( 6387 × 6397) / 1
LCM(6387,6397) = 40857639 / 1
LCM(6387,6397) = 40857639

Least Common Multiple (LCM) of 6387 and 6397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6387 and 6397. First we will calculate the prime factors of 6387 and 6397.

Prime Factorization of 6387

Prime factors of 6387 are 3, 2129. Prime factorization of 6387 in exponential form is:

6387 = 31 × 21291

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 6387 and 6397.

LCM(6387,6397) = 31 × 21291 × 63971
LCM(6387,6397) = 40857639