GCF and LCM Calculator Logo

What is the Least Common Multiple of 12790 and 12803?

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 12790 and 12803 is 163750370.

LCM(12790,12803) = 163750370

LCM Calculator and
and

Least Common Multiple of 12790 and 12803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12790 and 12803, than apply into the LCM equation.

GCF(12790,12803) = 1
LCM(12790,12803) = ( 12790 × 12803) / 1
LCM(12790,12803) = 163750370 / 1
LCM(12790,12803) = 163750370

Least Common Multiple (LCM) of 12790 and 12803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12790 and 12803. First we will calculate the prime factors of 12790 and 12803.

Prime Factorization of 12790

Prime factors of 12790 are 2, 5, 1279. Prime factorization of 12790 in exponential form is:

12790 = 21 × 51 × 12791

Prime Factorization of 12803

Prime factors of 12803 are 7, 31, 59. Prime factorization of 12803 in exponential form is:

12803 = 71 × 311 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 12790 and 12803.

LCM(12790,12803) = 21 × 51 × 12791 × 71 × 311 × 591
LCM(12790,12803) = 163750370