What is the Least Common Multiple of 10209 and 10215?

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 10209 and 10215 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10209 and 10215, than apply into the LCM equation.

GCF(10209,10215) = 3
LCM(10209,10215) = ( 10209 × 10215) / 3
LCM(10209,10215) = 104284935 / 3
LCM(10209,10215) = 34761645

Least Common Multiple (LCM) of 10209 and 10215 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10209 and 10215. First we will calculate the prime factors of 10209 and 10215.

Prime Factorization of 10209

Prime Factorization of 10215

Now multiplying the highest exponent prime factors to calculate the LCM of 10209 and 10215.

LCM(10209,10215) = 3² × 41¹ × 83¹ × 5¹ × 227¹
LCM(10209,10215) = 34761645