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What is the Least Common Multiple of 12672 and 12689?

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 12672 and 12689 is 160795008.

LCM(12672,12689) = 160795008

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Least Common Multiple of 12672 and 12689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12672 and 12689, than apply into the LCM equation.

GCF(12672,12689) = 1
LCM(12672,12689) = ( 12672 × 12689) / 1
LCM(12672,12689) = 160795008 / 1
LCM(12672,12689) = 160795008

Least Common Multiple (LCM) of 12672 and 12689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12672 and 12689. First we will calculate the prime factors of 12672 and 12689.

Prime Factorization of 12672

Prime factors of 12672 are 2, 3, 11. Prime factorization of 12672 in exponential form is:

12672 = 27 × 32 × 111

Prime Factorization of 12689

Prime factors of 12689 are 12689. Prime factorization of 12689 in exponential form is:

12689 = 126891

Now multiplying the highest exponent prime factors to calculate the LCM of 12672 and 12689.

LCM(12672,12689) = 27 × 32 × 111 × 126891
LCM(12672,12689) = 160795008