What is the Least Common Multiple of 38840 and 38858?

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 38840 and 38858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38840 and 38858, than apply into the LCM equation.

GCF(38840,38858) = 2
LCM(38840,38858) = ( 38840 × 38858) / 2
LCM(38840,38858) = 1509244720 / 2
LCM(38840,38858) = 754622360

Least Common Multiple (LCM) of 38840 and 38858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38840 and 38858. First we will calculate the prime factors of 38840 and 38858.

Prime Factorization of 38840

Prime Factorization of 38858

Now multiplying the highest exponent prime factors to calculate the LCM of 38840 and 38858.

LCM(38840,38858) = 2³ × 5¹ × 971¹ × 19429¹
LCM(38840,38858) = 754622360