What is the Least Common Multiple of 13138 and 13142?

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 13138 and 13142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13138 and 13142, than apply into the LCM equation.

GCF(13138,13142) = 2
LCM(13138,13142) = ( 13138 × 13142) / 2
LCM(13138,13142) = 172659596 / 2
LCM(13138,13142) = 86329798

Least Common Multiple (LCM) of 13138 and 13142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13138 and 13142. First we will calculate the prime factors of 13138 and 13142.

Prime Factorization of 13138

Prime Factorization of 13142

Now multiplying the highest exponent prime factors to calculate the LCM of 13138 and 13142.

LCM(13138,13142) = 2¹ × 6569¹ × 6571¹
LCM(13138,13142) = 86329798