What is the Least Common Multiple of 12505 and 12515?

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 12505 and 12515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12505 and 12515, than apply into the LCM equation.

GCF(12505,12515) = 5
LCM(12505,12515) = ( 12505 × 12515) / 5
LCM(12505,12515) = 156500075 / 5
LCM(12505,12515) = 31300015

Least Common Multiple (LCM) of 12505 and 12515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12505 and 12515. First we will calculate the prime factors of 12505 and 12515.

Prime Factorization of 12505

Prime Factorization of 12515

Now multiplying the highest exponent prime factors to calculate the LCM of 12505 and 12515.

LCM(12505,12515) = 5¹ × 41¹ × 61¹ × 2503¹
LCM(12505,12515) = 31300015