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What is the Least Common Multiple of 13321 and 13330?

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 13321 and 13330 is 177568930.

LCM(13321,13330) = 177568930

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Least Common Multiple of 13321 and 13330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13321 and 13330, than apply into the LCM equation.

GCF(13321,13330) = 1
LCM(13321,13330) = ( 13321 × 13330) / 1
LCM(13321,13330) = 177568930 / 1
LCM(13321,13330) = 177568930

Least Common Multiple (LCM) of 13321 and 13330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13321 and 13330. First we will calculate the prime factors of 13321 and 13330.

Prime Factorization of 13321

Prime factors of 13321 are 7, 11, 173. Prime factorization of 13321 in exponential form is:

13321 = 71 × 111 × 1731

Prime Factorization of 13330

Prime factors of 13330 are 2, 5, 31, 43. Prime factorization of 13330 in exponential form is:

13330 = 21 × 51 × 311 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 13321 and 13330.

LCM(13321,13330) = 71 × 111 × 1731 × 21 × 51 × 311 × 431
LCM(13321,13330) = 177568930