GCF and LCM Calculator Logo

What is the Least Common Multiple of 20820 and 20833?

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 20820 and 20833 is 433743060.

LCM(20820,20833) = 433743060

LCM Calculator and
and

Least Common Multiple of 20820 and 20833 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20820 and 20833, than apply into the LCM equation.

GCF(20820,20833) = 1
LCM(20820,20833) = ( 20820 × 20833) / 1
LCM(20820,20833) = 433743060 / 1
LCM(20820,20833) = 433743060

Least Common Multiple (LCM) of 20820 and 20833 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20820 and 20833. First we will calculate the prime factors of 20820 and 20833.

Prime Factorization of 20820

Prime factors of 20820 are 2, 3, 5, 347. Prime factorization of 20820 in exponential form is:

20820 = 22 × 31 × 51 × 3471

Prime Factorization of 20833

Prime factors of 20833 are 83, 251. Prime factorization of 20833 in exponential form is:

20833 = 831 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 20820 and 20833.

LCM(20820,20833) = 22 × 31 × 51 × 3471 × 831 × 2511
LCM(20820,20833) = 433743060