What is the Least Common Multiple of 40509 and 40517?

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 40509 and 40517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40509 and 40517, than apply into the LCM equation.

GCF(40509,40517) = 1
LCM(40509,40517) = ( 40509 × 40517) / 1
LCM(40509,40517) = 1641303153 / 1
LCM(40509,40517) = 1641303153

Least Common Multiple (LCM) of 40509 and 40517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40509 and 40517. First we will calculate the prime factors of 40509 and 40517.

Prime Factorization of 40509

Prime Factorization of 40517

Now multiplying the highest exponent prime factors to calculate the LCM of 40509 and 40517.

LCM(40509,40517) = 3² × 7¹ × 643¹ × 31¹ × 1307¹
LCM(40509,40517) = 1641303153