What is the Least Common Multiple of 11838 and 11842?

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 11838 and 11842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11838 and 11842, than apply into the LCM equation.

GCF(11838,11842) = 2
LCM(11838,11842) = ( 11838 × 11842) / 2
LCM(11838,11842) = 140185596 / 2
LCM(11838,11842) = 70092798

Least Common Multiple (LCM) of 11838 and 11842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11838 and 11842. First we will calculate the prime factors of 11838 and 11842.

Prime Factorization of 11838

Prime Factorization of 11842

Now multiplying the highest exponent prime factors to calculate the LCM of 11838 and 11842.

LCM(11838,11842) = 2¹ × 3¹ × 1973¹ × 31¹ × 191¹
LCM(11838,11842) = 70092798