What is the Least Common Multiple of 83215 and 83230?

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 83215 and 83230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83215 and 83230, than apply into the LCM equation.

GCF(83215,83230) = 5
LCM(83215,83230) = ( 83215 × 83230) / 5
LCM(83215,83230) = 6925984450 / 5
LCM(83215,83230) = 1385196890

Least Common Multiple (LCM) of 83215 and 83230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83215 and 83230. First we will calculate the prime factors of 83215 and 83230.

Prime Factorization of 83215

Prime Factorization of 83230

Now multiplying the highest exponent prime factors to calculate the LCM of 83215 and 83230.

LCM(83215,83230) = 5¹ × 11¹ × 17¹ × 89¹ × 2¹ × 7¹ × 29¹ × 41¹
LCM(83215,83230) = 1385196890