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What is the Least Common Multiple of 13389 and 13398?

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 13389 and 13398 is 59795274.

LCM(13389,13398) = 59795274

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Least Common Multiple of 13389 and 13398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13389 and 13398, than apply into the LCM equation.

GCF(13389,13398) = 3
LCM(13389,13398) = ( 13389 × 13398) / 3
LCM(13389,13398) = 179385822 / 3
LCM(13389,13398) = 59795274

Least Common Multiple (LCM) of 13389 and 13398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13389 and 13398. First we will calculate the prime factors of 13389 and 13398.

Prime Factorization of 13389

Prime factors of 13389 are 3, 4463. Prime factorization of 13389 in exponential form is:

13389 = 31 × 44631

Prime Factorization of 13398

Prime factors of 13398 are 2, 3, 7, 11, 29. Prime factorization of 13398 in exponential form is:

13398 = 21 × 31 × 71 × 111 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 13389 and 13398.

LCM(13389,13398) = 31 × 44631 × 21 × 71 × 111 × 291
LCM(13389,13398) = 59795274