What is the Least Common Multiple of 53811 and 53820?

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 53811 and 53820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53811 and 53820, than apply into the LCM equation.

GCF(53811,53820) = 9
LCM(53811,53820) = ( 53811 × 53820) / 9
LCM(53811,53820) = 2896108020 / 9
LCM(53811,53820) = 321789780

Least Common Multiple (LCM) of 53811 and 53820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53811 and 53820. First we will calculate the prime factors of 53811 and 53820.

Prime Factorization of 53811

Prime Factorization of 53820

Now multiplying the highest exponent prime factors to calculate the LCM of 53811 and 53820.

LCM(53811,53820) = 3³ × 1993¹ × 2² × 5¹ × 13¹ × 23¹
LCM(53811,53820) = 321789780