What is the Least Common Multiple of 60855 and 60861?

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 60855 and 60861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60855 and 60861, than apply into the LCM equation.

GCF(60855,60861) = 3
LCM(60855,60861) = ( 60855 × 60861) / 3
LCM(60855,60861) = 3703696155 / 3
LCM(60855,60861) = 1234565385

Least Common Multiple (LCM) of 60855 and 60861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60855 and 60861. First we will calculate the prime factors of 60855 and 60861.

Prime Factorization of 60855

Prime Factorization of 60861

Now multiplying the highest exponent prime factors to calculate the LCM of 60855 and 60861.

LCM(60855,60861) = 3¹ × 5¹ × 4057¹ × 20287¹
LCM(60855,60861) = 1234565385