What is the Least Common Multiple of 20163 and 20168?

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 20163 and 20168 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20163 and 20168, than apply into the LCM equation.

GCF(20163,20168) = 1
LCM(20163,20168) = ( 20163 × 20168) / 1
LCM(20163,20168) = 406647384 / 1
LCM(20163,20168) = 406647384

Least Common Multiple (LCM) of 20163 and 20168 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20163 and 20168. First we will calculate the prime factors of 20163 and 20168.

Prime Factorization of 20163

Prime Factorization of 20168

Now multiplying the highest exponent prime factors to calculate the LCM of 20163 and 20168.

LCM(20163,20168) = 3¹ × 11¹ × 13¹ × 47¹ × 2³ × 2521¹
LCM(20163,20168) = 406647384