What is the Least Common Multiple of 38478 and 38491?

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 38478 and 38491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38478 and 38491, than apply into the LCM equation.

GCF(38478,38491) = 1
LCM(38478,38491) = ( 38478 × 38491) / 1
LCM(38478,38491) = 1481056698 / 1
LCM(38478,38491) = 1481056698

Least Common Multiple (LCM) of 38478 and 38491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38478 and 38491. First we will calculate the prime factors of 38478 and 38491.

Prime Factorization of 38478

Prime Factorization of 38491

Now multiplying the highest exponent prime factors to calculate the LCM of 38478 and 38491.

LCM(38478,38491) = 2¹ × 3¹ × 11² × 53¹ × 61¹ × 631¹
LCM(38478,38491) = 1481056698