What is the Least Common Multiple of 38439 and 38455?

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 38439 and 38455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38439 and 38455, than apply into the LCM equation.

GCF(38439,38455) = 1
LCM(38439,38455) = ( 38439 × 38455) / 1
LCM(38439,38455) = 1478171745 / 1
LCM(38439,38455) = 1478171745

Least Common Multiple (LCM) of 38439 and 38455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38439 and 38455. First we will calculate the prime factors of 38439 and 38455.

Prime Factorization of 38439

Prime Factorization of 38455

Now multiplying the highest exponent prime factors to calculate the LCM of 38439 and 38455.

LCM(38439,38455) = 3² × 4271¹ × 5¹ × 7691¹
LCM(38439,38455) = 1478171745