What is the Least Common Multiple of 38424 and 38438?

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 38424 and 38438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38424 and 38438, than apply into the LCM equation.

GCF(38424,38438) = 2
LCM(38424,38438) = ( 38424 × 38438) / 2
LCM(38424,38438) = 1476941712 / 2
LCM(38424,38438) = 738470856

Least Common Multiple (LCM) of 38424 and 38438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38424 and 38438. First we will calculate the prime factors of 38424 and 38438.

Prime Factorization of 38424

Prime Factorization of 38438

Now multiplying the highest exponent prime factors to calculate the LCM of 38424 and 38438.

LCM(38424,38438) = 2³ × 3¹ × 1601¹ × 19219¹
LCM(38424,38438) = 738470856