What is the Least Common Multiple of 17421 and 17425?

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 17421 and 17425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17421 and 17425, than apply into the LCM equation.

GCF(17421,17425) = 1
LCM(17421,17425) = ( 17421 × 17425) / 1
LCM(17421,17425) = 303560925 / 1
LCM(17421,17425) = 303560925

Least Common Multiple (LCM) of 17421 and 17425 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17421 and 17425. First we will calculate the prime factors of 17421 and 17425.

Prime Factorization of 17421

Prime Factorization of 17425

Now multiplying the highest exponent prime factors to calculate the LCM of 17421 and 17425.

LCM(17421,17425) = 3¹ × 5807¹ × 5² × 17¹ × 41¹
LCM(17421,17425) = 303560925