What is the Least Common Multiple of 28080 and 28087?

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 28080 and 28087 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28080 and 28087, than apply into the LCM equation.

GCF(28080,28087) = 1
LCM(28080,28087) = ( 28080 × 28087) / 1
LCM(28080,28087) = 788682960 / 1
LCM(28080,28087) = 788682960

Least Common Multiple (LCM) of 28080 and 28087 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28080 and 28087. First we will calculate the prime factors of 28080 and 28087.

Prime Factorization of 28080

Prime Factorization of 28087

Now multiplying the highest exponent prime factors to calculate the LCM of 28080 and 28087.

LCM(28080,28087) = 2⁴ × 3³ × 5¹ × 13¹ × 28087¹
LCM(28080,28087) = 788682960