What is the Least Common Multiple of 39585 and 39605?

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 39585 and 39605 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39585 and 39605, than apply into the LCM equation.

GCF(39585,39605) = 5
LCM(39585,39605) = ( 39585 × 39605) / 5
LCM(39585,39605) = 1567763925 / 5
LCM(39585,39605) = 313552785

Least Common Multiple (LCM) of 39585 and 39605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39585 and 39605. First we will calculate the prime factors of 39585 and 39605.

Prime Factorization of 39585

Prime Factorization of 39605

Now multiplying the highest exponent prime factors to calculate the LCM of 39585 and 39605.

LCM(39585,39605) = 3¹ × 5¹ × 7¹ × 13¹ × 29¹ × 89²
LCM(39585,39605) = 313552785