What is the Least Common Multiple of 39492 and 39510?

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 39492 and 39510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39492 and 39510, than apply into the LCM equation.

GCF(39492,39510) = 18
LCM(39492,39510) = ( 39492 × 39510) / 18
LCM(39492,39510) = 1560328920 / 18
LCM(39492,39510) = 86684940

Least Common Multiple (LCM) of 39492 and 39510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39492 and 39510. First we will calculate the prime factors of 39492 and 39510.

Prime Factorization of 39492

Prime Factorization of 39510

Now multiplying the highest exponent prime factors to calculate the LCM of 39492 and 39510.

LCM(39492,39510) = 2² × 3² × 1097¹ × 5¹ × 439¹
LCM(39492,39510) = 86684940