What is the Least Common Multiple of 18211 and 18223?

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 18211 and 18223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18211 and 18223, than apply into the LCM equation.

GCF(18211,18223) = 1
LCM(18211,18223) = ( 18211 × 18223) / 1
LCM(18211,18223) = 331859053 / 1
LCM(18211,18223) = 331859053

Least Common Multiple (LCM) of 18211 and 18223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18211 and 18223. First we will calculate the prime factors of 18211 and 18223.

Prime Factorization of 18211

Prime Factorization of 18223

Now multiplying the highest exponent prime factors to calculate the LCM of 18211 and 18223.

LCM(18211,18223) = 18211¹ × 18223¹
LCM(18211,18223) = 331859053