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What is the Least Common Multiple of 6421 and 6433?

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 6421 and 6433 is 41306293.

LCM(6421,6433) = 41306293

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Least Common Multiple of 6421 and 6433 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6421 and 6433, than apply into the LCM equation.

GCF(6421,6433) = 1
LCM(6421,6433) = ( 6421 × 6433) / 1
LCM(6421,6433) = 41306293 / 1
LCM(6421,6433) = 41306293

Least Common Multiple (LCM) of 6421 and 6433 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6421 and 6433. First we will calculate the prime factors of 6421 and 6433.

Prime Factorization of 6421

Prime factors of 6421 are 6421. Prime factorization of 6421 in exponential form is:

6421 = 64211

Prime Factorization of 6433

Prime factors of 6433 are 7, 919. Prime factorization of 6433 in exponential form is:

6433 = 71 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 6421 and 6433.

LCM(6421,6433) = 64211 × 71 × 9191
LCM(6421,6433) = 41306293