What is the Least Common Multiple of 38408 and 38415?

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 38408 and 38415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38408 and 38415, than apply into the LCM equation.

GCF(38408,38415) = 1
LCM(38408,38415) = ( 38408 × 38415) / 1
LCM(38408,38415) = 1475443320 / 1
LCM(38408,38415) = 1475443320

Least Common Multiple (LCM) of 38408 and 38415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38408 and 38415. First we will calculate the prime factors of 38408 and 38415.

Prime Factorization of 38408

Prime Factorization of 38415

Now multiplying the highest exponent prime factors to calculate the LCM of 38408 and 38415.

LCM(38408,38415) = 2³ × 4801¹ × 3¹ × 5¹ × 13¹ × 197¹
LCM(38408,38415) = 1475443320