GCF and LCM Calculator Logo

What is the Least Common Multiple of 20829 and 20846?

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 20829 and 20846 is 434201334.

LCM(20829,20846) = 434201334

LCM Calculator and
and

Least Common Multiple of 20829 and 20846 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20829 and 20846, than apply into the LCM equation.

GCF(20829,20846) = 1
LCM(20829,20846) = ( 20829 × 20846) / 1
LCM(20829,20846) = 434201334 / 1
LCM(20829,20846) = 434201334

Least Common Multiple (LCM) of 20829 and 20846 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20829 and 20846. First we will calculate the prime factors of 20829 and 20846.

Prime Factorization of 20829

Prime factors of 20829 are 3, 53, 131. Prime factorization of 20829 in exponential form is:

20829 = 31 × 531 × 1311

Prime Factorization of 20846

Prime factors of 20846 are 2, 7, 1489. Prime factorization of 20846 in exponential form is:

20846 = 21 × 71 × 14891

Now multiplying the highest exponent prime factors to calculate the LCM of 20829 and 20846.

LCM(20829,20846) = 31 × 531 × 1311 × 21 × 71 × 14891
LCM(20829,20846) = 434201334