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What is the Least Common Multiple of 12825 and 12845?

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 12825 and 12845 is 32947425.

LCM(12825,12845) = 32947425

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Least Common Multiple of 12825 and 12845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12825 and 12845, than apply into the LCM equation.

GCF(12825,12845) = 5
LCM(12825,12845) = ( 12825 × 12845) / 5
LCM(12825,12845) = 164737125 / 5
LCM(12825,12845) = 32947425

Least Common Multiple (LCM) of 12825 and 12845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12825 and 12845. First we will calculate the prime factors of 12825 and 12845.

Prime Factorization of 12825

Prime factors of 12825 are 3, 5, 19. Prime factorization of 12825 in exponential form is:

12825 = 33 × 52 × 191

Prime Factorization of 12845

Prime factors of 12845 are 5, 7, 367. Prime factorization of 12845 in exponential form is:

12845 = 51 × 71 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 12825 and 12845.

LCM(12825,12845) = 33 × 52 × 191 × 71 × 3671
LCM(12825,12845) = 32947425