What is the Least Common Multiple of 38138 and 38158?

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 38138 and 38158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38138 and 38158, than apply into the LCM equation.

GCF(38138,38158) = 2
LCM(38138,38158) = ( 38138 × 38158) / 2
LCM(38138,38158) = 1455269804 / 2
LCM(38138,38158) = 727634902

Least Common Multiple (LCM) of 38138 and 38158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38138 and 38158. First we will calculate the prime factors of 38138 and 38158.

Prime Factorization of 38138

Prime Factorization of 38158

Now multiplying the highest exponent prime factors to calculate the LCM of 38138 and 38158.

LCM(38138,38158) = 2¹ × 19069¹ × 19079¹
LCM(38138,38158) = 727634902