What is the Least Common Multiple of 1855 and 1875?

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 1855 and 1875 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1855 and 1875, than apply into the LCM equation.

GCF(1855,1875) = 5
LCM(1855,1875) = ( 1855 × 1875) / 5
LCM(1855,1875) = 3478125 / 5
LCM(1855,1875) = 695625

Least Common Multiple (LCM) of 1855 and 1875 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1855 and 1875. First we will calculate the prime factors of 1855 and 1875.

Prime Factorization of 1855

Prime Factorization of 1875

Now multiplying the highest exponent prime factors to calculate the LCM of 1855 and 1875.

LCM(1855,1875) = 5⁴ × 7¹ × 53¹ × 3¹
LCM(1855,1875) = 695625