What is the Least Common Multiple of 12495 and 12510?

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 12495 and 12510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12495 and 12510, than apply into the LCM equation.

GCF(12495,12510) = 15
LCM(12495,12510) = ( 12495 × 12510) / 15
LCM(12495,12510) = 156312450 / 15
LCM(12495,12510) = 10420830

Least Common Multiple (LCM) of 12495 and 12510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12495 and 12510. First we will calculate the prime factors of 12495 and 12510.

Prime Factorization of 12495

Prime Factorization of 12510

Now multiplying the highest exponent prime factors to calculate the LCM of 12495 and 12510.

LCM(12495,12510) = 3² × 5¹ × 7² × 17¹ × 2¹ × 139¹
LCM(12495,12510) = 10420830