What is the Least Common Multiple of 12489 and 12505?

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 12489 and 12505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12489 and 12505, than apply into the LCM equation.

GCF(12489,12505) = 1
LCM(12489,12505) = ( 12489 × 12505) / 1
LCM(12489,12505) = 156174945 / 1
LCM(12489,12505) = 156174945

Least Common Multiple (LCM) of 12489 and 12505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12489 and 12505. First we will calculate the prime factors of 12489 and 12505.

Prime Factorization of 12489

Prime Factorization of 12505

Now multiplying the highest exponent prime factors to calculate the LCM of 12489 and 12505.

LCM(12489,12505) = 3¹ × 23¹ × 181¹ × 5¹ × 41¹ × 61¹
LCM(12489,12505) = 156174945