What is the Least Common Multiple of 18838 and 18842?

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 18838 and 18842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18838 and 18842, than apply into the LCM equation.

GCF(18838,18842) = 2
LCM(18838,18842) = ( 18838 × 18842) / 2
LCM(18838,18842) = 354945596 / 2
LCM(18838,18842) = 177472798

Least Common Multiple (LCM) of 18838 and 18842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18838 and 18842. First we will calculate the prime factors of 18838 and 18842.

Prime Factorization of 18838

Prime Factorization of 18842

Now multiplying the highest exponent prime factors to calculate the LCM of 18838 and 18842.

LCM(18838,18842) = 2¹ × 9419¹ × 9421¹
LCM(18838,18842) = 177472798