What is the Least Common Multiple of 28904 and 28921?

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 28904 and 28921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28904 and 28921, than apply into the LCM equation.

GCF(28904,28921) = 1
LCM(28904,28921) = ( 28904 × 28921) / 1
LCM(28904,28921) = 835932584 / 1
LCM(28904,28921) = 835932584

Least Common Multiple (LCM) of 28904 and 28921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28904 and 28921. First we will calculate the prime factors of 28904 and 28921.

Prime Factorization of 28904

Prime Factorization of 28921

Now multiplying the highest exponent prime factors to calculate the LCM of 28904 and 28921.

LCM(28904,28921) = 2³ × 3613¹ × 28921¹
LCM(28904,28921) = 835932584