What is the Least Common Multiple of 10505 and 10515?

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 10505 and 10515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10505 and 10515, than apply into the LCM equation.

GCF(10505,10515) = 5
LCM(10505,10515) = ( 10505 × 10515) / 5
LCM(10505,10515) = 110460075 / 5
LCM(10505,10515) = 22092015

Least Common Multiple (LCM) of 10505 and 10515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10505 and 10515. First we will calculate the prime factors of 10505 and 10515.

Prime Factorization of 10505

Prime Factorization of 10515

Now multiplying the highest exponent prime factors to calculate the LCM of 10505 and 10515.

LCM(10505,10515) = 5¹ × 11¹ × 191¹ × 3¹ × 701¹
LCM(10505,10515) = 22092015