GCF and LCM Calculator Logo

What is the Least Common Multiple of 20803 and 20812?

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 20803 and 20812 is 432952036.

LCM(20803,20812) = 432952036

LCM Calculator and
and

Least Common Multiple of 20803 and 20812 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20803 and 20812, than apply into the LCM equation.

GCF(20803,20812) = 1
LCM(20803,20812) = ( 20803 × 20812) / 1
LCM(20803,20812) = 432952036 / 1
LCM(20803,20812) = 432952036

Least Common Multiple (LCM) of 20803 and 20812 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20803 and 20812. First we will calculate the prime factors of 20803 and 20812.

Prime Factorization of 20803

Prime factors of 20803 are 71, 293. Prime factorization of 20803 in exponential form is:

20803 = 711 × 2931

Prime Factorization of 20812

Prime factors of 20812 are 2, 11, 43. Prime factorization of 20812 in exponential form is:

20812 = 22 × 112 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 20803 and 20812.

LCM(20803,20812) = 711 × 2931 × 22 × 112 × 431
LCM(20803,20812) = 432952036