What is the Least Common Multiple of 8190 and 8210?

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 8190 and 8210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8190 and 8210, than apply into the LCM equation.

GCF(8190,8210) = 10
LCM(8190,8210) = ( 8190 × 8210) / 10
LCM(8190,8210) = 67239900 / 10
LCM(8190,8210) = 6723990

Least Common Multiple (LCM) of 8190 and 8210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8190 and 8210. First we will calculate the prime factors of 8190 and 8210.

Prime Factorization of 8190

Prime Factorization of 8210

Now multiplying the highest exponent prime factors to calculate the LCM of 8190 and 8210.

LCM(8190,8210) = 2¹ × 3² × 5¹ × 7¹ × 13¹ × 821¹
LCM(8190,8210) = 6723990