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What is the Least Common Multiple of 12816 and 12826?

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 12816 and 12826 is 82189008.

LCM(12816,12826) = 82189008

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Least Common Multiple of 12816 and 12826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12816 and 12826, than apply into the LCM equation.

GCF(12816,12826) = 2
LCM(12816,12826) = ( 12816 × 12826) / 2
LCM(12816,12826) = 164378016 / 2
LCM(12816,12826) = 82189008

Least Common Multiple (LCM) of 12816 and 12826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12816 and 12826. First we will calculate the prime factors of 12816 and 12826.

Prime Factorization of 12816

Prime factors of 12816 are 2, 3, 89. Prime factorization of 12816 in exponential form is:

12816 = 24 × 32 × 891

Prime Factorization of 12826

Prime factors of 12826 are 2, 11, 53. Prime factorization of 12826 in exponential form is:

12826 = 21 × 112 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 12816 and 12826.

LCM(12816,12826) = 24 × 32 × 891 × 112 × 531
LCM(12816,12826) = 82189008