What is the Least Common Multiple of 39546 and 39556?

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 39546 and 39556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39546 and 39556, than apply into the LCM equation.

GCF(39546,39556) = 2
LCM(39546,39556) = ( 39546 × 39556) / 2
LCM(39546,39556) = 1564281576 / 2
LCM(39546,39556) = 782140788

Least Common Multiple (LCM) of 39546 and 39556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39546 and 39556. First we will calculate the prime factors of 39546 and 39556.

Prime Factorization of 39546

Prime Factorization of 39556

Now multiplying the highest exponent prime factors to calculate the LCM of 39546 and 39556.

LCM(39546,39556) = 2² × 3² × 13³ × 11¹ × 29¹ × 31¹
LCM(39546,39556) = 782140788