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What is the Least Common Multiple of 13468 and 13481?

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 13468 and 13481 is 13966316.

LCM(13468,13481) = 13966316

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Least Common Multiple of 13468 and 13481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13468 and 13481, than apply into the LCM equation.

GCF(13468,13481) = 13
LCM(13468,13481) = ( 13468 × 13481) / 13
LCM(13468,13481) = 181562108 / 13
LCM(13468,13481) = 13966316

Least Common Multiple (LCM) of 13468 and 13481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13468 and 13481. First we will calculate the prime factors of 13468 and 13481.

Prime Factorization of 13468

Prime factors of 13468 are 2, 7, 13, 37. Prime factorization of 13468 in exponential form is:

13468 = 22 × 71 × 131 × 371

Prime Factorization of 13481

Prime factors of 13481 are 13, 17, 61. Prime factorization of 13481 in exponential form is:

13481 = 131 × 171 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 13468 and 13481.

LCM(13468,13481) = 22 × 71 × 131 × 371 × 171 × 611
LCM(13468,13481) = 13966316