What is the Least Common Multiple of 15834 and 15842?

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 15834 and 15842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15834 and 15842, than apply into the LCM equation.

GCF(15834,15842) = 2
LCM(15834,15842) = ( 15834 × 15842) / 2
LCM(15834,15842) = 250842228 / 2
LCM(15834,15842) = 125421114

Least Common Multiple (LCM) of 15834 and 15842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15834 and 15842. First we will calculate the prime factors of 15834 and 15842.

Prime Factorization of 15834

Prime Factorization of 15842

Now multiplying the highest exponent prime factors to calculate the LCM of 15834 and 15842.

LCM(15834,15842) = 2¹ × 3¹ × 7¹ × 13¹ × 29¹ × 89²
LCM(15834,15842) = 125421114