# Least Common Multiple of 199 and 215

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 (LCM) of 199 and 215 is 42785.

LCM(199,215) = 42785

LCM Calculator and

## Least Common Multiple of 199 and 215 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 199 and 215, than apply into the LCM equation.

GCF(199,215) = 1
LCM(199,215) = ( 199 × 215) / 1
LCM(199,215) = 42785 / 1
LCM(199,215) = 42785

## Least Common Multiple (LCM) of 199 and 215 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 199 and 215. First we will calculate the prime factors of 199 and 215.

### Prime Factorization of 199

Prime factors of 199 are 199. Prime factorization of 199 in exponential form is:

199 = 1991

### Prime Factorization of 215

Prime factors of 215 are 5, 43. Prime factorization of 215 in exponential form is:

215 = 51 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 199 and 215.

LCM(199,215) = 1991 × 51 × 431
LCM(199,215) = 42785