What is the Least Common Multiple of 39504 and 39518?

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 39504 and 39518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39504 and 39518, than apply into the LCM equation.

GCF(39504,39518) = 2
LCM(39504,39518) = ( 39504 × 39518) / 2
LCM(39504,39518) = 1561119072 / 2
LCM(39504,39518) = 780559536

Least Common Multiple (LCM) of 39504 and 39518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39504 and 39518. First we will calculate the prime factors of 39504 and 39518.

Prime Factorization of 39504

Prime Factorization of 39518

Now multiplying the highest exponent prime factors to calculate the LCM of 39504 and 39518.

LCM(39504,39518) = 2⁴ × 3¹ × 823¹ × 19759¹
LCM(39504,39518) = 780559536