What is the Least Common Multiple of 72389 and 72395?

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 72389 and 72395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72389 and 72395, than apply into the LCM equation.

GCF(72389,72395) = 1
LCM(72389,72395) = ( 72389 × 72395) / 1
LCM(72389,72395) = 5240601655 / 1
LCM(72389,72395) = 5240601655

Least Common Multiple (LCM) of 72389 and 72395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72389 and 72395. First we will calculate the prime factors of 72389 and 72395.

Prime Factorization of 72389

Prime Factorization of 72395

Now multiplying the highest exponent prime factors to calculate the LCM of 72389 and 72395.

LCM(72389,72395) = 191¹ × 379¹ × 5¹ × 14479¹
LCM(72389,72395) = 5240601655