What is the Least Common Multiple of 38728 and 38743?

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 38728 and 38743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38728 and 38743, than apply into the LCM equation.

GCF(38728,38743) = 1
LCM(38728,38743) = ( 38728 × 38743) / 1
LCM(38728,38743) = 1500438904 / 1
LCM(38728,38743) = 1500438904

Least Common Multiple (LCM) of 38728 and 38743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38728 and 38743. First we will calculate the prime factors of 38728 and 38743.

Prime Factorization of 38728

Prime Factorization of 38743

Now multiplying the highest exponent prime factors to calculate the LCM of 38728 and 38743.

LCM(38728,38743) = 2³ × 47¹ × 103¹ × 17¹ × 43¹ × 53¹
LCM(38728,38743) = 1500438904