What is the Least Common Multiple of 39795 and 39810?

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 39795 and 39810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39795 and 39810, than apply into the LCM equation.

GCF(39795,39810) = 15
LCM(39795,39810) = ( 39795 × 39810) / 15
LCM(39795,39810) = 1584238950 / 15
LCM(39795,39810) = 105615930

Least Common Multiple (LCM) of 39795 and 39810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39795 and 39810. First we will calculate the prime factors of 39795 and 39810.

Prime Factorization of 39795

Prime Factorization of 39810

Now multiplying the highest exponent prime factors to calculate the LCM of 39795 and 39810.

LCM(39795,39810) = 3¹ × 5¹ × 7¹ × 379¹ × 2¹ × 1327¹
LCM(39795,39810) = 105615930