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What is the Least Common Multiple of 13455 and 13468?

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 13455 and 13468 is 13939380.

LCM(13455,13468) = 13939380

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Least Common Multiple of 13455 and 13468 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13455 and 13468, than apply into the LCM equation.

GCF(13455,13468) = 13
LCM(13455,13468) = ( 13455 × 13468) / 13
LCM(13455,13468) = 181211940 / 13
LCM(13455,13468) = 13939380

Least Common Multiple (LCM) of 13455 and 13468 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13455 and 13468. First we will calculate the prime factors of 13455 and 13468.

Prime Factorization of 13455

Prime factors of 13455 are 3, 5, 13, 23. Prime factorization of 13455 in exponential form is:

13455 = 32 × 51 × 131 × 231

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

Now multiplying the highest exponent prime factors to calculate the LCM of 13455 and 13468.

LCM(13455,13468) = 32 × 51 × 131 × 231 × 22 × 71 × 371
LCM(13455,13468) = 13939380