What is the Least Common Multiple of 17855 and 17864?

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 17855 and 17864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17855 and 17864, than apply into the LCM equation.

GCF(17855,17864) = 1
LCM(17855,17864) = ( 17855 × 17864) / 1
LCM(17855,17864) = 318961720 / 1
LCM(17855,17864) = 318961720

Least Common Multiple (LCM) of 17855 and 17864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17855 and 17864. First we will calculate the prime factors of 17855 and 17864.

Prime Factorization of 17855

Prime Factorization of 17864

Now multiplying the highest exponent prime factors to calculate the LCM of 17855 and 17864.

LCM(17855,17864) = 5¹ × 3571¹ × 2³ × 7¹ × 11¹ × 29¹
LCM(17855,17864) = 318961720