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What is the Least Common Multiple of 12810 and 12825?

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 12810 and 12825 is 10952550.

LCM(12810,12825) = 10952550

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Least Common Multiple of 12810 and 12825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12810 and 12825, than apply into the LCM equation.

GCF(12810,12825) = 15
LCM(12810,12825) = ( 12810 × 12825) / 15
LCM(12810,12825) = 164288250 / 15
LCM(12810,12825) = 10952550

Least Common Multiple (LCM) of 12810 and 12825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12810 and 12825. First we will calculate the prime factors of 12810 and 12825.

Prime Factorization of 12810

Prime factors of 12810 are 2, 3, 5, 7, 61. Prime factorization of 12810 in exponential form is:

12810 = 21 × 31 × 51 × 71 × 611

Prime Factorization of 12825

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

12825 = 33 × 52 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 12810 and 12825.

LCM(12810,12825) = 21 × 33 × 52 × 71 × 611 × 191
LCM(12810,12825) = 10952550