What is the Least Common Multiple of 20162 and 20182?

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 20162 and 20182 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20162 and 20182, than apply into the LCM equation.

GCF(20162,20182) = 2
LCM(20162,20182) = ( 20162 × 20182) / 2
LCM(20162,20182) = 406909484 / 2
LCM(20162,20182) = 203454742

Least Common Multiple (LCM) of 20162 and 20182 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20162 and 20182. First we will calculate the prime factors of 20162 and 20182.

Prime Factorization of 20162

Prime Factorization of 20182

Now multiplying the highest exponent prime factors to calculate the LCM of 20162 and 20182.

LCM(20162,20182) = 2¹ × 17¹ × 593¹ × 10091¹
LCM(20162,20182) = 203454742