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What is the Least Common Multiple of 6388 and 6396?

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 6396 is 10214412.

LCM(6388,6396) = 10214412

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Least Common Multiple of 6388 and 6396 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 6396, than apply into the LCM equation.

GCF(6388,6396) = 4
LCM(6388,6396) = ( 6388 × 6396) / 4
LCM(6388,6396) = 40857648 / 4
LCM(6388,6396) = 10214412

Least Common Multiple (LCM) of 6388 and 6396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6388 and 6396. First we will calculate the prime factors of 6388 and 6396.

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 6396

Prime factors of 6396 are 2, 3, 13, 41. Prime factorization of 6396 in exponential form is:

6396 = 22 × 31 × 131 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 6388 and 6396.

LCM(6388,6396) = 22 × 15971 × 31 × 131 × 411
LCM(6388,6396) = 10214412