What is the Least Common Multiple of 72509 and 72521?

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 72509 and 72521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72509 and 72521, than apply into the LCM equation.

GCF(72509,72521) = 1
LCM(72509,72521) = ( 72509 × 72521) / 1
LCM(72509,72521) = 5258425189 / 1
LCM(72509,72521) = 5258425189

Least Common Multiple (LCM) of 72509 and 72521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72509 and 72521. First we will calculate the prime factors of 72509 and 72521.

Prime Factorization of 72509

Prime Factorization of 72521

Now multiplying the highest exponent prime factors to calculate the LCM of 72509 and 72521.

LCM(72509,72521) = 31¹ × 2339¹ × 47¹ × 1543¹
LCM(72509,72521) = 5258425189