What is the Least Common Multiple of 20778 and 20793?

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 of 20778 and 20793 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20778 and 20793, than apply into the LCM equation.

GCF(20778,20793) = 3
LCM(20778,20793) = ( 20778 × 20793) / 3
LCM(20778,20793) = 432036954 / 3
LCM(20778,20793) = 144012318

Least Common Multiple (LCM) of 20778 and 20793 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20778 and 20793. First we will calculate the prime factors of 20778 and 20793.

Prime Factorization of 20778

Prime Factorization of 20793

Now multiplying the highest exponent prime factors to calculate the LCM of 20778 and 20793.

LCM(20778,20793) = 2¹ × 3¹ × 3463¹ × 29¹ × 239¹
LCM(20778,20793) = 144012318