What is the Least Common Multiple of 18842 and 18862?

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 18842 and 18862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18842 and 18862, than apply into the LCM equation.

GCF(18842,18862) = 2
LCM(18842,18862) = ( 18842 × 18862) / 2
LCM(18842,18862) = 355397804 / 2
LCM(18842,18862) = 177698902

Least Common Multiple (LCM) of 18842 and 18862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18842 and 18862. First we will calculate the prime factors of 18842 and 18862.

Prime Factorization of 18842

Prime Factorization of 18862

Now multiplying the highest exponent prime factors to calculate the LCM of 18842 and 18862.

LCM(18842,18862) = 2¹ × 9421¹ × 9431¹
LCM(18842,18862) = 177698902