What is the Least Common Multiple of 18491 and 18511?

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 18491 and 18511 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18491 and 18511, than apply into the LCM equation.

GCF(18491,18511) = 1
LCM(18491,18511) = ( 18491 × 18511) / 1
LCM(18491,18511) = 342286901 / 1
LCM(18491,18511) = 342286901

Least Common Multiple (LCM) of 18491 and 18511 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18491 and 18511. First we will calculate the prime factors of 18491 and 18511.

Prime Factorization of 18491

Prime Factorization of 18511

Now multiplying the highest exponent prime factors to calculate the LCM of 18491 and 18511.

LCM(18491,18511) = 11¹ × 41² × 107¹ × 173¹
LCM(18491,18511) = 342286901