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What is the Least Common Multiple of 6409 and 6413?

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 6409 and 6413 is 41100917.

LCM(6409,6413) = 41100917

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Least Common Multiple of 6409 and 6413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6409 and 6413, than apply into the LCM equation.

GCF(6409,6413) = 1
LCM(6409,6413) = ( 6409 × 6413) / 1
LCM(6409,6413) = 41100917 / 1
LCM(6409,6413) = 41100917

Least Common Multiple (LCM) of 6409 and 6413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6409 and 6413. First we will calculate the prime factors of 6409 and 6413.

Prime Factorization of 6409

Prime factors of 6409 are 13, 17, 29. Prime factorization of 6409 in exponential form is:

6409 = 131 × 171 × 291

Prime Factorization of 6413

Prime factors of 6413 are 11, 53. Prime factorization of 6413 in exponential form is:

6413 = 112 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 6409 and 6413.

LCM(6409,6413) = 131 × 171 × 291 × 112 × 531
LCM(6409,6413) = 41100917