What is the Least Common Multiple of 20578 and 20598?

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 20578 and 20598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20578 and 20598, than apply into the LCM equation.

GCF(20578,20598) = 2
LCM(20578,20598) = ( 20578 × 20598) / 2
LCM(20578,20598) = 423865644 / 2
LCM(20578,20598) = 211932822

Least Common Multiple (LCM) of 20578 and 20598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20578 and 20598. First we will calculate the prime factors of 20578 and 20598.

Prime Factorization of 20578

Prime Factorization of 20598

Now multiplying the highest exponent prime factors to calculate the LCM of 20578 and 20598.

LCM(20578,20598) = 2¹ × 10289¹ × 3¹ × 3433¹
LCM(20578,20598) = 211932822