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What is the Least Common Multiple of 13408 and 13418?

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 13408 and 13418 is 89954272.

LCM(13408,13418) = 89954272

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Least Common Multiple of 13408 and 13418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13408 and 13418, than apply into the LCM equation.

GCF(13408,13418) = 2
LCM(13408,13418) = ( 13408 × 13418) / 2
LCM(13408,13418) = 179908544 / 2
LCM(13408,13418) = 89954272

Least Common Multiple (LCM) of 13408 and 13418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13408 and 13418. First we will calculate the prime factors of 13408 and 13418.

Prime Factorization of 13408

Prime factors of 13408 are 2, 419. Prime factorization of 13408 in exponential form is:

13408 = 25 × 4191

Prime Factorization of 13418

Prime factors of 13418 are 2, 6709. Prime factorization of 13418 in exponential form is:

13418 = 21 × 67091

Now multiplying the highest exponent prime factors to calculate the LCM of 13408 and 13418.

LCM(13408,13418) = 25 × 4191 × 67091
LCM(13408,13418) = 89954272