What is the Least Common Multiple of 12838 and 12854?

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 12838 and 12854 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12838 and 12854, than apply into the LCM equation.

GCF(12838,12854) = 2
LCM(12838,12854) = ( 12838 × 12854) / 2
LCM(12838,12854) = 165019652 / 2
LCM(12838,12854) = 82509826

Least Common Multiple (LCM) of 12838 and 12854 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12838 and 12854. First we will calculate the prime factors of 12838 and 12854.

Prime Factorization of 12838

Prime Factorization of 12854

Now multiplying the highest exponent prime factors to calculate the LCM of 12838 and 12854.

LCM(12838,12854) = 2¹ × 7² × 131¹ × 6427¹
LCM(12838,12854) = 82509826