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What is the Least Common Multiple of 6417 and 6430?

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 6417 and 6430 is 41261310.

LCM(6417,6430) = 41261310

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Least Common Multiple of 6417 and 6430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6417 and 6430, than apply into the LCM equation.

GCF(6417,6430) = 1
LCM(6417,6430) = ( 6417 × 6430) / 1
LCM(6417,6430) = 41261310 / 1
LCM(6417,6430) = 41261310

Least Common Multiple (LCM) of 6417 and 6430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6417 and 6430. First we will calculate the prime factors of 6417 and 6430.

Prime Factorization of 6417

Prime factors of 6417 are 3, 23, 31. Prime factorization of 6417 in exponential form is:

6417 = 32 × 231 × 311

Prime Factorization of 6430

Prime factors of 6430 are 2, 5, 643. Prime factorization of 6430 in exponential form is:

6430 = 21 × 51 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 6417 and 6430.

LCM(6417,6430) = 32 × 231 × 311 × 21 × 51 × 6431
LCM(6417,6430) = 41261310