What is the Least Common Multiple of 39531 and 39543?

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 39531 and 39543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39531 and 39543, than apply into the LCM equation.

GCF(39531,39543) = 3
LCM(39531,39543) = ( 39531 × 39543) / 3
LCM(39531,39543) = 1563174333 / 3
LCM(39531,39543) = 521058111

Least Common Multiple (LCM) of 39531 and 39543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39531 and 39543. First we will calculate the prime factors of 39531 and 39543.

Prime Factorization of 39531

Prime Factorization of 39543

Now multiplying the highest exponent prime factors to calculate the LCM of 39531 and 39543.

LCM(39531,39543) = 3¹ × 13177¹ × 7² × 269¹
LCM(39531,39543) = 521058111