What is the Least Common Multiple of 38138 and 38156?

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 38156 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 38156, than apply into the LCM equation.

GCF(38138,38156) = 2
LCM(38138,38156) = ( 38138 × 38156) / 2
LCM(38138,38156) = 1455193528 / 2
LCM(38138,38156) = 727596764

Least Common Multiple (LCM) of 38138 and 38156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38138 and 38156. First we will calculate the prime factors of 38138 and 38156.

Prime Factorization of 38138

Prime Factorization of 38156

Now multiplying the highest exponent prime factors to calculate the LCM of 38138 and 38156.

LCM(38138,38156) = 2² × 19069¹ × 9539¹
LCM(38138,38156) = 727596764