What is the Least Common Multiple of 38421 and 38428?

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 38421 and 38428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38421 and 38428, than apply into the LCM equation.

GCF(38421,38428) = 1
LCM(38421,38428) = ( 38421 × 38428) / 1
LCM(38421,38428) = 1476442188 / 1
LCM(38421,38428) = 1476442188

Least Common Multiple (LCM) of 38421 and 38428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38421 and 38428. First we will calculate the prime factors of 38421 and 38428.

Prime Factorization of 38421

Prime Factorization of 38428

Now multiplying the highest exponent prime factors to calculate the LCM of 38421 and 38428.

LCM(38421,38428) = 3³ × 1423¹ × 2² × 13¹ × 739¹
LCM(38421,38428) = 1476442188