What is the Least Common Multiple of 12280 and 12300?

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 12280 and 12300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12280 and 12300, than apply into the LCM equation.

GCF(12280,12300) = 20
LCM(12280,12300) = ( 12280 × 12300) / 20
LCM(12280,12300) = 151044000 / 20
LCM(12280,12300) = 7552200

Least Common Multiple (LCM) of 12280 and 12300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12280 and 12300. First we will calculate the prime factors of 12280 and 12300.

Prime Factorization of 12280

Prime Factorization of 12300

Now multiplying the highest exponent prime factors to calculate the LCM of 12280 and 12300.

LCM(12280,12300) = 2³ × 5² × 307¹ × 3¹ × 41¹
LCM(12280,12300) = 7552200