What is the Least Common Multiple of 67505 and 67515?

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 67505 and 67515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67505 and 67515, than apply into the LCM equation.

GCF(67505,67515) = 5
LCM(67505,67515) = ( 67505 × 67515) / 5
LCM(67505,67515) = 4557600075 / 5
LCM(67505,67515) = 911520015

Least Common Multiple (LCM) of 67505 and 67515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67505 and 67515. First we will calculate the prime factors of 67505 and 67515.

Prime Factorization of 67505

Prime Factorization of 67515

Now multiplying the highest exponent prime factors to calculate the LCM of 67505 and 67515.

LCM(67505,67515) = 5¹ × 23¹ × 587¹ × 3¹ × 7¹ × 643¹
LCM(67505,67515) = 911520015