What is the Least Common Multiple of 20118 and 20123?

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 20118 and 20123 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20118 and 20123, than apply into the LCM equation.

GCF(20118,20123) = 1
LCM(20118,20123) = ( 20118 × 20123) / 1
LCM(20118,20123) = 404834514 / 1
LCM(20118,20123) = 404834514

Least Common Multiple (LCM) of 20118 and 20123 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20118 and 20123. First we will calculate the prime factors of 20118 and 20123.

Prime Factorization of 20118

Prime Factorization of 20123

Now multiplying the highest exponent prime factors to calculate the LCM of 20118 and 20123.

LCM(20118,20123) = 2¹ × 3¹ × 7¹ × 479¹ × 20123¹
LCM(20118,20123) = 404834514