What is the Least Common Multiple of 30172 and 30191?

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 30172 and 30191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30172 and 30191, than apply into the LCM equation.

GCF(30172,30191) = 19
LCM(30172,30191) = ( 30172 × 30191) / 19
LCM(30172,30191) = 910922852 / 19
LCM(30172,30191) = 47943308

Least Common Multiple (LCM) of 30172 and 30191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30172 and 30191. First we will calculate the prime factors of 30172 and 30191.

Prime Factorization of 30172

Prime Factorization of 30191

Now multiplying the highest exponent prime factors to calculate the LCM of 30172 and 30191.

LCM(30172,30191) = 2² × 19¹ × 397¹ × 7¹ × 227¹
LCM(30172,30191) = 47943308