What is the Least Common Multiple of 17221 and 17238?

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 17221 and 17238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17221 and 17238, than apply into the LCM equation.

GCF(17221,17238) = 17
LCM(17221,17238) = ( 17221 × 17238) / 17
LCM(17221,17238) = 296855598 / 17
LCM(17221,17238) = 17462094

Least Common Multiple (LCM) of 17221 and 17238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17221 and 17238. First we will calculate the prime factors of 17221 and 17238.

Prime Factorization of 17221

Prime Factorization of 17238

Now multiplying the highest exponent prime factors to calculate the LCM of 17221 and 17238.

LCM(17221,17238) = 17¹ × 1013¹ × 2¹ × 3¹ × 13²
LCM(17221,17238) = 17462094