What is the Least Common Multiple of 20217 and 20231?

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 20217 and 20231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20217 and 20231, than apply into the LCM equation.

GCF(20217,20231) = 1
LCM(20217,20231) = ( 20217 × 20231) / 1
LCM(20217,20231) = 409010127 / 1
LCM(20217,20231) = 409010127

Least Common Multiple (LCM) of 20217 and 20231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20217 and 20231. First we will calculate the prime factors of 20217 and 20231.

Prime Factorization of 20217

Prime Factorization of 20231

Now multiplying the highest exponent prime factors to calculate the LCM of 20217 and 20231.

LCM(20217,20231) = 3¹ × 23¹ × 293¹ × 20231¹
LCM(20217,20231) = 409010127