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What is the Least Common Multiple of 6442 and 6459?

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 6442 and 6459 is 41608878.

LCM(6442,6459) = 41608878

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Least Common Multiple of 6442 and 6459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6442 and 6459, than apply into the LCM equation.

GCF(6442,6459) = 1
LCM(6442,6459) = ( 6442 × 6459) / 1
LCM(6442,6459) = 41608878 / 1
LCM(6442,6459) = 41608878

Least Common Multiple (LCM) of 6442 and 6459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6442 and 6459. First we will calculate the prime factors of 6442 and 6459.

Prime Factorization of 6442

Prime factors of 6442 are 2, 3221. Prime factorization of 6442 in exponential form is:

6442 = 21 × 32211

Prime Factorization of 6459

Prime factors of 6459 are 3, 2153. Prime factorization of 6459 in exponential form is:

6459 = 31 × 21531

Now multiplying the highest exponent prime factors to calculate the LCM of 6442 and 6459.

LCM(6442,6459) = 21 × 32211 × 31 × 21531
LCM(6442,6459) = 41608878