What is the Least Common Multiple of 17558 and 17568?

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 17558 and 17568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17558 and 17568, than apply into the LCM equation.

GCF(17558,17568) = 2
LCM(17558,17568) = ( 17558 × 17568) / 2
LCM(17558,17568) = 308458944 / 2
LCM(17558,17568) = 154229472

Least Common Multiple (LCM) of 17558 and 17568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17558 and 17568. First we will calculate the prime factors of 17558 and 17568.

Prime Factorization of 17558

Prime Factorization of 17568

Now multiplying the highest exponent prime factors to calculate the LCM of 17558 and 17568.

LCM(17558,17568) = 2⁵ × 8779¹ × 3² × 61¹
LCM(17558,17568) = 154229472