What is the Least Common Multiple of 20078 and 20086?

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 20078 and 20086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20078 and 20086, than apply into the LCM equation.

GCF(20078,20086) = 2
LCM(20078,20086) = ( 20078 × 20086) / 2
LCM(20078,20086) = 403286708 / 2
LCM(20078,20086) = 201643354

Least Common Multiple (LCM) of 20078 and 20086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20078 and 20086. First we will calculate the prime factors of 20078 and 20086.

Prime Factorization of 20078

Prime Factorization of 20086

Now multiplying the highest exponent prime factors to calculate the LCM of 20078 and 20086.

LCM(20078,20086) = 2¹ × 10039¹ × 11² × 83¹
LCM(20078,20086) = 201643354